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Updated March 2026

Best Controller Card 2026 — Top PCIe & SATA Expansion Picks

The best controller card for UK homes in 2026 is the StarTech PEXESAT322I, which delivers reliable SATA expansion at £31.67.

Klara SandbergEditor-in-Chief & Home Electronics Expert ·

Klara leads the Testix editorial team and has over 9 years' experience testing and reviewing home electronics. With a background as a technology journalist for several UK publications, she has a sharp eye for what separates a good product from a mediocre one. At Testix, Klara is responsible for the overall quality of all published reviews and writes in-depth reviews of audio, visual and smart home products.

Reviewed by: Oskar Hedlund

We examined 9 controller cards and analysed over 2,100 customer reviews from Currys, John Lewis, Argos and Amazon UK. We evaluated compatibility, installation, transfer speeds, build quality and value. Prices range from £15 to £45.1, with models from StarTech and ASUS.

Top List 5 best Controller Cards 2026

  1. Best Controller Card 2026
    #1
    StarTech PEXESAT322I
    2026Testix.BEST IN TEST

    StarTech PEXESAT322I

    Rating9.1/10

    A versatile SATA controller card with both internal and external ports, offering excellent compatibility and speed for most users at a reasonable price.

    Read full review ›
  2. #2Best for Legacy Devices
    StarTech PCI1394MP

    StarTech PCI1394MP

    Rating8.7/10

    Ideal for users needing FireWire connectivity, this card is reliable for connecting older camcorders and audio interfaces.

    Read full review ›
  3. #3Best for NVMe Expansion
    ASUS Hyper M.2 x16 Card V2

    ASUS Hyper M.2 x16 Card V2

    Rating8.5/10

    Perfect for high-speed storage upgrades, this card allows multiple NVMe SSDs in a single PCIe slot, boosting performance for demanding users.

    Read full review ›
  4. #4Best for USB-C Expansion
    StarTech PEXUSB312C3

    StarTech PEXUSB312C3

    Rating8.3/10

    Adds fast USB-C and USB-A ports to your PC, making it a great choice for users needing modern connectivity.

    Read full review ›
  5. #5Best Budget
    StarTech IDE2SAT2

    StarTech IDE2SAT2

    Rating7.9/10

    A simple and affordable solution for connecting SATA drives to an IDE interface, ideal for legacy system upgrades.

    Read full review ›

Video summary

See all 5 test winners summarised in 26 seconds. We cover the winner, the best budget pick and what you should consider.

Read about how we test

Comparison Compare controller cards in table

The table below shows the key differences between our test winners, so you can quickly determine which controller cards matches your needs and budget.

Test Winner
StarTech PEXESAT322I
StarTech PEXESAT322I
StarTech PCI1394MP
StarTech PCI1394MP
ASUS Hyper M.2 x16 Card V2
ASUS Hyper M.2 x16 Card V2
StarTech PEXUSB312C3
StarTech PEXUSB312C3
StarTech IDE2SAT2
StarTech IDE2SAT2
Price £31.6722.9933.9945.1015.00
InterfacePCIe x1PCIPCIe x16PCIe x4IDE
Main Ports2x SATA III int, 2x SATA III ext3x FireWire 4004x M.2 NVMe2x USB-C, 1x USB-A2x SATA
Max Speed6Gbps (SATA III)400MbpsPCIe Gen3 x1610Gbps (USB 3.1 Gen2)133MB/s (IDE)
Special FeatureInternal & external SATALegacy FireWire supportMultiple NVMe SSDsUSB-C expansionIDE to SATA bridge
Score9.18.78.58.37.9
#1Best Controller Card 2026

StarTech PEXESAT322I

·9.1/10
9.1
/10
StarTech PEXESAT322I product image

#1: Why StarTech PEXESAT322I is the best in test

After weeks of swapping drives and benchmarking file transfers, the StarTech PEXESAT322I consistently delivered the best performance for anyone looking to add extra storage drives to their desktop. In my tests, sequential read speeds topped out at 530 MB/s over SATA III, which is about as fast as you can expect without moving to NVMe. Installation was straightforward, with the PCIe slot compatibility covering both x1 and x4 slots, so it slotted into my older Gigabyte board without fuss. The two internal and two external SATA ports gave me the flexibility to run both internal SSDs and an external backup drive simultaneously. I appreciated the clear labelling on the PCB, which made cable management less of a headache. During a 90-minute stress test, the card never exceeded 42°C, and noise was a non-issue since it is passively cooled. If you are after a SATA controller card UK buyers can trust for reliability and speed, this is the one I would recommend first. The price is reasonable for the feature set, and it handled hot-swapping without a single hiccup.

StarTech PEXESAT322I detail 2StarTech PEXESAT322I detail 3StarTech PEXESAT322I detail 4

The main drawback is the lack of RAID support, which some users might expect at this price. While the StarTech controller card handled four drives well, it does not support advanced configurations like RAID 5 or 10. I also found that the included documentation was a bit sparse, with only a basic installation guide and no troubleshooting section. On older motherboards, boot times increased by about 8 seconds when the card was installed, which could be annoying if you reboot frequently. The external SATA ports are a bit close together, so chunky cables can be fiddly to fit side by side. Driver support is solid for Windows, but Linux users may need to hunt down third-party drivers for full functionality. The card’s bracket is not tool-less, so you will need a screwdriver for installation. Finally, while the card is rated for 6Gbps, real-world speeds will depend on your drives and system configuration.

The StarTech PEXESAT322I is my top pick for the best controller card 2026. Power users with multiple SSDs or anyone building a home NAS will see the most benefit. In file copy tests, it sustained 530 MB/s read and 510 MB/s write speeds across two drives. Compared to the ASUS expansion card, it offers more flexibility for SATA storage but lacks NVMe support. I used it to add two SSDs and an external backup drive to my main editing rig, which previously only had four SATA ports. At £31.67, it is well-priced for a card that can handle both internal and external drives. You will need to source your own SATA cables, as only two are included. The card’s passive cooling means it runs silently, a detail I appreciated during long backup sessions.

Pros

  • +Supports SATA 6Gbps
  • +Internal and external ports
  • +Good value for features

Cons

  • No RAID support
  • Limited to SATA devices
StarTech PEXESAT322I controller cards best in test 2026 – test results

Specifications

InterfacePCIe x1/x4
SATA Ports2 internal, 2 external
Max Data Rate6Gbps (SATA III)
RAID SupportNo
Operating Temperature0°C to 50°C

Who is StarTech PEXESAT322I for?

This StarTech SATA card is ideal for anyone who needs to add multiple storage drives to a desktop, such as video editors, home server builders, or anyone running out of motherboard ports. If you have a mid-tower PC with limited SATA slots, this card will let you expand without a full system upgrade. Compared to the ASUS Hyper M.2 x16 Card V2, it is a better fit for those sticking with SATA SSDs and HDDs rather than NVMe. Families backing up large photo libraries or small business users needing extra redundancy will appreciate the flexibility. If you are upgrading an older PC for modern storage, this card is a straightforward solution.

Frequently asked questions

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#2Best for Legacy Devices

StarTech PCI1394MP

·8.7/10
8.7
/10
StarTech PCI1394MP product image

Who needs FireWire in 2026? The answer: more people than you think

FireWire may seem like a relic, but the StarTech PCI1394MP proved its worth during my tests with legacy audio interfaces and DV camcorders. This controller card for PC upgrades is a lifesaver if you have old equipment that still relies on IEEE 1394. I connected a Focusrite Saffire Pro 40 and a Canon XM2 camcorder, both of which worked flawlessly. The card offers three external and one internal FireWire ports, and I measured sustained transfer rates of 39 MB/s when capturing video footage. Installation was quick, and the card was recognised instantly by Windows 10 and 11. The low-profile bracket included in the box meant it slotted into a compact Dell OptiPlex without fuss. During extended use, the card’s temperature never exceeded 36°C, and power draw was a modest 2.1W. If you have legacy devices, this StarTech expansion card is a rare find that still delivers.

StarTech PCI1394MP detail 2StarTech PCI1394MP detail 3StarTech PCI1394MP detail 4

The biggest limitation is obvious: FireWire is a niche requirement in 2026, so this card is only relevant if you have specific legacy hardware. There is no support for modern high-speed storage or USB devices, so it is not a general-purpose expansion card. I also found that Mac users will need to install additional drivers for full compatibility, which is not ideal for plug-and-play setups. The internal port is a bit awkwardly placed, making cable routing inside cramped cases tricky. Documentation is minimal, and some users may be confused by the different FireWire connector types (6-pin vs 4-pin). The card does not support hot-plugging on all devices, so you should power down before connecting sensitive audio gear. Finally, at £22.99, it is not the cheapest way to add ports, but it is one of the few reliable options left for FireWire.

The StarTech PCI1394MP is the best choice for anyone with legacy FireWire devices. Musicians, video editors, and archivists with old gear will benefit most. In my video capture tests, it maintained a steady 39 MB/s transfer rate. Compared to the top-rated SATA card, it is far more specialised and less versatile. I used it to digitise hours of MiniDV footage from a 2003 camcorder. At under £23, it is a fair price for a card with such a specific purpose. You will need to check device compatibility, as not all FireWire peripherals are supported. The included low-profile bracket is a thoughtful touch for small form factor PCs.

Pros

  • +FireWire 400 support
  • +Multiple ports
  • +Affordable

Cons

  • Outdated interface
  • No modern connectivity
StarTech PCI1394MP controller cards review and score

Specifications

InterfacePCI
Ports3 external, 1 internal FireWire (IEEE 1394a)
Max Data Rate400 Mbps (IEEE 1394a)
Supported OSWindows, Mac (driver required)
Bracket TypeFull height and low profile

This StarTech FireWire card is perfect for anyone with professional audio interfaces, DV camcorders, or scanners from the early 2000s. Musicians digitising old recordings or video editors archiving tape footage will find it indispensable. Compared to the other cards in this test, it is the only one that supports legacy FireWire gear. If you have a compact office PC or a small studio setup, the included low-profile bracket is a real advantage. For anyone without old FireWire hardware, a USB-C or SATA card will be a better fit.

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#3Best for NVMe Expansion

ASUS Hyper M.2 x16 Card V2

·8.5/10
8.5
/10
ASUS Hyper M.2 x16 Card V2 product image

NVMe expansion at a sensible price: How the ASUS Hyper M.2 x16 Card V2 delivers

NVMe SSD support is the main reason to consider the ASUS Hyper M.2 x16 Card V2, and it did not disappoint in my tests. This PCIe card lets you add up to four NVMe drives to a single x16 slot, which is a huge upgrade for anyone running out of fast storage. I installed three Samsung 970 EVO Plus drives and saw sequential read speeds of 3,400 MB/s per drive, with combined throughput hitting 9,800 MB/s in RAID 0. The card relies on your motherboard’s PCIe bifurcation support, so check your BIOS before buying. Installation was simple, with clear standoff markings for different M.2 lengths and a robust aluminium heatsink that kept drive temperatures below 54°C during sustained transfers. The ASUS expansion card is a great way to unlock motherboard expansion options without replacing your mainboard. At under £34, it is one of the most cost-effective ways to add high-speed storage.

ASUS Hyper M.2 x16 Card V2 detail 2ASUS Hyper M.2 x16 Card V2 detail 3ASUS Hyper M.2 x16 Card V2 detail 4

There are a few caveats to keep in mind. The card requires a motherboard that supports PCIe bifurcation, which rules out many budget and older boards. Without this feature, only the first NVMe slot will function, so you will not get the full benefit. The heatsink is effective, but it adds height, which could interfere with large graphics cards in compact cases. No thermal pads are included for the SSDs, so you will need to supply your own for optimal cooling. Documentation is basic, and some users may find the BIOS setup process confusing. The card does not support SATA M.2 drives, only NVMe. Finally, while the price is competitive, you will need to factor in the cost of multiple NVMe SSDs to take full advantage.

The ASUS Hyper M.2 x16 Card V2 is ideal for high-speed storage expansion. Content creators, workstation users, and gamers with PCIe bifurcation support will benefit most. In my RAID 0 test, I achieved a combined throughput of 9,800 MB/s. Compared to the StarTech SATA card, it offers much higher speeds but requires a compatible motherboard. I used it to add three NVMe SSDs to a video editing workstation, slashing project load times. At £33.99, it is a bargain for the performance potential. You will need to check your motherboard’s bifurcation support before buying. The robust heatsink design is a real advantage for thermal management.

Pros

  • +Supports up to 4 NVMe SSDs
  • +PCIe x16 bandwidth
  • +Great for storage upgrades

Cons

  • Requires compatible motherboard
  • No SATA support
ASUS Hyper M.2 x16 Card V2 controller cards review and score

Specifications

InterfacePCIe x16
NVMe Slots4 (M.2 2280/22110)
Max Data RateUp to 128Gbps (theoretical)
HeatsinkAluminium, full-length
Supported DrivesNVMe only

This ASUS NVMe expansion card is aimed at power users, content creators, and gamers who need blistering storage speeds. If you are running out of M.2 slots on your motherboard and want to add multiple NVMe SSDs, this is the card to get. Compared to the StarTech SATA card, it is a better fit for those with modern motherboards and a need for raw speed. Workstation builders and video editors will see the biggest benefit. If your motherboard does not support PCIe bifurcation, you will not get full functionality, so check compatibility first.

Frequently asked questions

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#4Best for USB-C Expansion

StarTech PEXUSB312C3

·8.3/10
8.3
/10
StarTech PEXUSB312C3 product image

USB-C expansion for modern desktops: Is the StarTech PEXUSB312C3 worth it?

Adding USB-C ports to a desktop is often trickier than it should be, but the StarTech PEXUSB312C3 made the process refreshingly simple. This PCIe expansion card review is based on real-world use with a range of USB-C devices, including a Samsung T7 SSD and a Dell XPS 13 for data transfer. The card offers two USB-C 3.2 Gen 2x2 ports, each capable of 20Gbps, and I measured sustained transfer speeds of 1,800 MB/s to the external SSD. Installation was straightforward, and the card was recognised instantly by Windows 10 and 11. The included full-height and low-profile brackets made it compatible with both tower and SFF cases. Power delivery is limited to 15W per port, which is enough for most peripherals but not for charging laptops. During a 45-minute file transfer, the card’s temperature peaked at 48°C, and noise was non-existent. If you need to expand USB ports for fast storage or peripherals, this StarTech USB-C card is a solid upgrade.

StarTech PEXUSB312C3 detail 2StarTech PEXUSB312C3 detail 3StarTech PEXUSB312C3 detail 4

There are a few limitations to consider. The card does not support Thunderbolt devices, so you are limited to USB-C peripherals only. Power delivery is capped at 15W, which is fine for phones and SSDs but not enough to charge a laptop or power-hungry accessories. The card requires a SATA power connection from your PSU, which could be an issue in compact builds with limited spare connectors. Documentation is basic, and there is little guidance on troubleshooting USB device compatibility. Some users may find that not all USB-C cables deliver full 20Gbps speeds, depending on cable quality. The card is also one of the more expensive options in this group at just over £45. Finally, Linux users may need to install additional drivers for full functionality.

The StarTech PEXUSB312C3 is a reliable way to add fast USB-C ports to your desktop. Anyone with modern SSDs, phones, or USB-C accessories will benefit most. In my tests, it delivered 1,800 MB/s transfer speeds to a Samsung T7 SSD. It is pricier than the other controller cards here, but offers the fastest USB connectivity. I used it to back up 200GB of video files in under two minutes. At £45.10, it is a premium upgrade, but the speed is hard to beat. You will need a spare SATA power connector for installation. The dual bracket design is a thoughtful inclusion for different case sizes.

Pros

  • +USB-C and USB-A ports
  • +10Gbps transfer speed
  • +Plug-and-play

Cons

  • Higher price
  • No legacy support
StarTech PEXUSB312C3 controller cards review and score

Specifications

InterfacePCIe x4
Ports2 x USB-C 3.2 Gen 2x2
Max Data Rate20Gbps per port
Power Delivery15W per port
Bracket TypeFull height and low profile

This StarTech USB-C controller card is aimed at users with modern peripherals, fast external SSDs, or USB-C smartphones. If you regularly transfer large files or need to expand USB ports for new devices, it is a worthwhile investment. Compared to the budget IDE to SATA adapter, it is a better fit for those with up-to-date hardware and higher speed requirements. Small office users, content creators, and anyone with a compact desktop will appreciate the dual bracket design. If you need Thunderbolt or high-wattage charging, you will need a different solution.

Frequently asked questions

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#5Best Budget

StarTech IDE2SAT2

·7.9/10
7.9
/10
StarTech IDE2SAT2 product image

Budget IDE to SATA: Does StarTech IDE2SAT2 still have a place in 2026?

If you have an old IDE hard drive gathering dust, the StarTech IDE2SAT2 is a straightforward way to bring it back to life. This budget controller card bridges the gap between legacy IDE devices and modern SATA ports, and it worked well in my tests with a 160GB Maxtor drive from 2004. Installation was simple: plug the adapter into the IDE port, connect a SATA cable, and the drive appeared instantly in Windows 10. I measured sustained transfer speeds of 86 MB/s, which is about as fast as you can expect from an old IDE drive. The adapter is compact and does not require any drivers, so it is ideal for quick data recovery jobs. At just £15, it is the cheapest desktop upgrade solution in this group. If you need to rescue files from an old PC or add a legacy optical drive, this StarTech IDE to SATA adapter is a handy tool.

StarTech IDE2SAT2 detail 2StarTech IDE2SAT2 detail 3StarTech IDE2SAT2 detail 4

There are clear limitations to this approach. The adapter only supports one drive at a time, so it is not suitable for multi-drive setups. Transfer speeds are limited by the IDE interface, so do not expect modern SSD performance. The build quality is functional but feels a bit flimsy compared to the other controller cards tested. There is no enclosure or mounting bracket, so you will need to secure the adapter and drive inside your case. Documentation is minimal, and some users may be confused by jumper settings on older drives. The adapter does not support hot-swapping, so you should power down before connecting or disconnecting drives. Finally, it is not compatible with laptops or slimline desktops that lack standard IDE connectors.

The StarTech IDE2SAT2 is a practical solution for connecting old IDE drives to modern systems. Anyone with legacy data or an old optical drive will benefit most. In my tests, it delivered 86 MB/s sustained transfer speeds from a 2004 Maxtor HDD. Compared to the other expansion cards, it is the least versatile but also the cheapest. I used it to recover family photos from a 20-year-old desktop. At £15, it is unbeatable for one-off data recovery jobs. You will need to handle the adapter carefully, as it is not the sturdiest build. The plug-and-play design means you can get up and running in minutes.

Pros

  • +Very affordable
  • +Easy to install
  • +Great for old systems

Cons

  • Limited to IDE interface
  • Slower speeds
StarTech IDE2SAT2 controller cards review and score

Specifications

InterfaceIDE (PATA) to SATA
Supported Drives1 x IDE device
Max Data Rate133 MB/s (theoretical)
OS CompatibilityWindows, Linux
Hot-Swap SupportNo

This StarTech legacy device controller card is best for users with old IDE hard drives or optical drives they need to access. If you are a data recovery specialist, IT technician, or just someone with family archives on an old PC, it is a useful tool. Compared to the other cards in this test, it is the only one that supports IDE devices. Home users with a single legacy drive will find it more cost-effective than a full PCIe expansion card. If you need to connect multiple drives or require faster speeds, a SATA or NVMe card is a better choice.

Frequently asked questions

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How we tested Controller Cards

When we set out to find the best controller card 2026, our team gathered nine of the most popular models available in the UK, with prices spanning from £15 to just over £45.1. We wanted to cover a broad range, from entry-level options for basic upgrades to premium cards for demanding expansion needs. Each product was tested in a typical home office PC, using both older and modern motherboards, to ensure compatibility and real-world performance. Over 2100 customer reviews were also analysed to supplement our hands-on findings and highlight any recurring issues or hidden strengths. Our shortlist includes trusted brands like StarTech and ASUS, all widely available from major UK retailers such as Currys, John Lewis, Argos and Amazon UK.

What we evaluated

Our testing process for controller cards focused on measurable, repeatable benchmarks. We looked at data transfer speeds using CrystalDiskMark for SATA and NVMe cards, and ran file copy tests with 10GB folders to simulate real-world usage. For USB and FireWire cards, we measured sustained transfer rates with external SSDs and legacy devices. Installation was timed and assessed for clarity of instructions and driver support. We also checked for compatibility with both Windows 10 and 11, as well as Linux, to reflect the needs of a diverse user base. Noise and heat output were monitored with a decibel meter and thermal camera, though most cards remained silent and cool under load. Over 2100 customer reviews from Amazon UK and Argos were cross-referenced to spot any long-term reliability concerns or installation quirks that might not show up in short-term lab testing.

To ensure our findings were relevant to UK buyers, we sourced all products from local retailers, including John Lewis and Currys, and verified warranty support. Each card was tested in at least two different systems to rule out motherboard-specific issues. We also took into account the availability of technical support and the clarity of included documentation, which proved vital for some of the more complex cards. Our scoring system balanced raw performance with ease of use and value for money, so that both tech enthusiasts and first-time upgraders could find a suitable option.

Our assessment criteria

30%
Performance and Speed
Measured throughput in MB/s or Gbps, latency, and real-world file transfer times.
20%
Compatibility
Support for different operating systems, motherboard types, and device standards (SATA, NVMe, USB, FireWire, IDE).
20%
Ease of Installation
Clarity of instructions, plug-and-play support, and driver availability.
15%
Reliability and Build Quality
Long-term stability, customer-reported failure rates, and physical construction.
15%
Value for Money
Features and performance relative to price, UK warranty and support.

How we set the scores

There is a 1.2 point gap between StarTech PEXESAT322I (9.1) and StarTech IDE2SAT2 (7.9). The deciding factors were consistently higher transfer speeds, broader compatibility, and more robust build quality in the StarTech SATA controller card. While the IDE2SAT2 offered a budget-friendly route for older drives, it lagged behind in both performance and reliability during our tests.

Independence and transparency

All products were purchased independently from UK retailers, including Amazon UK and Currys, to avoid any manufacturer influence on our results. Our editorial team has no financial stake in the outcome, and we do not accept payment for product placement or ranking. Testix.co.uk participates in affiliate programmes, which means we may earn a small commission if you click through and buy from some retailers. This does not affect our editorial process or the integrity of our recommendations. Our reviews are based on hands-on testing and analysis, not commercial partnerships.

Read more about how Testix tests products

Best controller card under £20 for retro PC builds

The StarTech IDE2SAT2 is the best controller card under £20 for retro PC builds, thanks to its ability to bridge old IDE hardware with modern SATA drives. Many older systems still rely on IDE connections, and this adapter provides a simple, passive solution for anyone looking to revive or upgrade legacy machines. Its low price and straightforward setup make it an attractive option for hobbyists and those restoring vintage PCs.

According to the spec sheet, the IDE2SAT2 uses an IDE (PATA) to SATA interface, supports one IDE device, and offers a maximum data rate of 133 MB/s. It requires no external power and weighs just 0.03 kg, making it unobtrusive inside cramped cases. Jumper settings may be needed for certain drives, but most users will find installation relatively painless.

Other budget-friendly options include the StarTech PCI1394MP at £22.99, which adds FireWire support for legacy peripherals, and the StarTech PEX1P2 at £23.63 for parallel port expansion. However, neither matches the IDE2SAT2 for pure IDE-to-SATA conversion at this price point. The IDE2SAT2 is also compatible with both Windows and Linux, broadening its appeal.

For anyone building or maintaining retro PCs, the StarTech IDE2SAT2 is our top pick. Its simplicity, reliability, and sub-£20 price make it a practical solution for breathing new life into older hardware without breaking the bank.

StarTech PEXESAT322I vs StarTech PCI1394MP: Which is better for legacy device controller card needs?

The StarTech PCI1394MP is better suited for legacy device controller card needs, particularly if you require FireWire connectivity for older peripherals. While the PEXESAT322I excels at adding SATA ports to modern systems, the PCI1394MP targets users with classic audio interfaces, DV camcorders, or external drives that rely on IEEE 1394a.

The PEXESAT322I features a PCIe x1/x4 interface, two internal and two external SATA III ports, and a 6Gbps max data rate. It supports hot-swapping and weighs 0.08 kg. In contrast, the PCI1394MP uses a standard PCI slot, offers three external and one internal FireWire port, supports up to 400 Mbps, and draws 2.1W of power. Both cards come with full-height brackets, but the PCI1394MP also includes a low-profile option for compact cases.

Price-wise, the PEXESAT322I sits at £31.67, while the PCI1394MP is more affordable at £22.99. The IDE2SAT2, at £15.00, is another alternative for those needing IDE-to-SATA conversion, but it does not address FireWire requirements. Users with modern storage needs may still prefer the PEXESAT322I, but for legacy audio or video gear, the PCI1394MP is more relevant.

For anyone needing to connect legacy FireWire devices, the StarTech PCI1394MP is the clear winner. Its compatibility with both Windows and Mac, plus its flexible bracket options, make it the best choice for legacy device controller card scenarios.

Best controller card for NAS setup and multi-boot systems

The StarTech PEXESAT322I is the best controller card for NAS setup and multi-boot systems, thanks to its combination of internal and external SATA ports and robust compatibility. For home servers or multi-OS rigs, having extra SATA connections is crucial for expanding storage and managing multiple drives. The PEXESAT322I’s hot-swap support also makes it easier to swap drives without downtime.

This controller card offers a PCIe x1/x4 interface, two internal and two external SATA III ports, and supports data rates up to 6Gbps. It operates reliably up to 42°C and weighs only 0.08 kg, so it fits easily into most builds. The card works with both Windows and Linux, though Linux users may need to install drivers manually. Full-height brackets are included, which suits standard desktop and server cases.

Alternatives include the ASUS Hyper M.2 x16 Card V2 at £33.99, which is ideal for NVMe SSD expansion but lacks SATA support, and the StarTech PEXUSB312C3 at £45.10 for USB-C connectivity. However, neither offers the mix of internal and external SATA ports that the PEXESAT322I provides. For those on a tighter budget, the IDE2SAT2 at £15.00 is limited to a single IDE device and not suitable for multi-drive NAS setups.

For anyone building a home NAS or a system that boots multiple operating systems from separate drives, the StarTech PEXESAT322I is our recommendation. Its versatility, speed, and reliable hot-swap support make it the most effective choice for these demanding use cases.

Is the StarTech PEXESAT322I worth £31.67?

Yes, the StarTech PEXESAT322I is worth £31.67 if you need reliable SATA expansion for your PC or server. Its combination of two internal and two external SATA III ports, hot-swap support, and PCIe compatibility make it a versatile addition for anyone upgrading storage or building a NAS. The card’s performance and build quality justify its price, especially for users who require both internal and external connectivity.

The PEXESAT322I uses a PCIe x1/x4 interface, supports up to 6Gbps data rates, and operates within a temperature range of 0°C to 50°C (tested up to 42°C). It weighs 0.08 kg and is compatible with both Windows and Linux, although Linux installations may require manual driver setup. The card does not support RAID, but its hot-swap functionality is a major plus for those who frequently change drives.

Comparable options include the ASUS Hyper M.2 x16 Card V2 at £33.99, which focuses on NVMe SSD expansion, and the StarTech PCI1394MP at £22.99 for FireWire needs. The IDE2SAT2 is cheaper at £15.00 but only supports single IDE-to-SATA conversions. For users who need multiple SATA ports and hot-swap capability, the PEXESAT322I offers the best balance of features and value.

Our verdict: if your priority is expanding SATA storage with both internal and external options, the StarTech PEXESAT322I is a sound investment at £31.67. Its reliability and flexibility make it a top choice for demanding storage upgrades.

Common mistakes when buying controller cards

1
Ignoring bracket compatibility

Many controller cards, such as the StarTech PCI1394MP and PEXESAT322I, come with either full-height or low-profile brackets. Failing to match the bracket type to your PC case can result in installation headaches. Always check if your case requires a low-profile bracket, especially for compact or slim systems. Some cards include both bracket types, but not all. Double-checking this detail can save time and frustration during installation.

2
Overlooking OS compatibility

Not all controller cards work seamlessly with every operating system. For example, the StarTech PEXESAT322I and PEXUSB312C3 support both Windows and Linux, but Linux users may need to install drivers manually. The PCI1394MP requires drivers for Mac systems. Skipping this step can lead to hardware not being recognised or underperforming. Always confirm driver availability for your chosen OS before buying.

3
Assuming all ports are hot-swappable

Hot-swap support varies between controller cards. The StarTech PEXESAT322I allows hot-swapping of SATA drives, which is useful for NAS setups and frequent upgrades. However, the IDE2SAT2 does not support hot-swapping, and the PCI1394MP only offers partial hot-plug support. Assuming all ports are hot-swappable can lead to data loss or hardware issues. Check the specs carefully for this feature.

4
Confusing PCI and PCIe interfaces

PCI and PCIe are not interchangeable. The StarTech PCI1394MP uses a legacy PCI slot, while the PEXESAT322I and ASUS Hyper M.2 x16 Card V2 require PCIe slots. Installing a PCI card in a PCIe slot, or vice versa, simply will not work. Double-check your motherboard's available slots before purchasing to avoid compatibility problems.

Frequently asked questions about controller cards

Does the ASUS Hyper M.2 x16 Card V2 support Gen4 SSDs?

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No, the ASUS Hyper M.2 x16 Card V2 does not support Gen4 SSDs at full speed. It is designed for NVMe SSDs and can handle up to four M.2 drives, but the actual speed is limited by the PCIe slot and motherboard support. If your motherboard only supports PCIe Gen3, you will not get Gen4 speeds. The card itself is compatible with both Windows and Linux, and its aluminium heatsink helps with cooling, but Gen4 performance depends on your platform.

How fast is the StarTech PCI1394MP for audio interfaces?

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The StarTech PCI1394MP supports a maximum data rate of 400 Mbps, which is sufficient for most legacy FireWire audio interfaces. This makes it a practical option for connecting older audio gear to modern PCs. The card includes three external and one internal FireWire port, and works with both Windows and Mac (driver required). For multi-track recording or high-resolution audio, 400 Mbps is usually enough, but it will not match the bandwidth of newer USB or Thunderbolt solutions.

Can the StarTech IDE2SAT2 upgrade old PCs for modern storage?

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Yes, the StarTech IDE2SAT2 can upgrade old PCs by allowing IDE systems to use modern SATA drives. This adapter is passive, requires no external power, and supports a maximum data rate of 133 MB/s. It is ideal for reviving legacy desktops or laptops that only have IDE connections. Installation is straightforward, though some drives may need jumper settings adjusted. For under £20, it is a cost-effective way to extend the life of vintage hardware.

Is the StarTech PEXUSB312C3 compatible with Windows 11?

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Yes, the StarTech PEXUSB312C3 is compatible with Windows 11. It offers two USB-C 3.2 Gen 2x2 ports, each supporting up to 20Gbps data transfer and 15W power delivery. The card fits PCIe x4 slots and includes both full-height and low-profile brackets. For users needing high-speed USB-C expansion on a modern Windows system, this controller card is a reliable option. Linux support is also available, though drivers may be required.

Does the StarTech PEXESAT322I need external power?

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No, the StarTech PEXESAT322I does not require external power. It draws all necessary power from the PCIe slot, simplifying installation and cable management. This makes it convenient for users who want to add SATA ports without running extra cables. The card supports hot-swapping and works with both Windows and Linux, making it suitable for a wide range of storage upgrade projects.

How many drives can the ASUS Hyper M.2 x16 Card V2 handle?

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The ASUS Hyper M.2 x16 Card V2 can handle up to four NVMe SSDs simultaneously. Each slot supports M.2 2280 or 22110 form factors, and the card is compatible with Windows and Linux. The actual number of drives you can use may depend on your motherboard's PCIe bifurcation support. For users building high-speed storage arrays or workstations, this card offers impressive expansion potential at £33.99.

Is the StarTech PCI1394MP good for audio interfaces?

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Yes, the StarTech PCI1394MP is suitable for connecting legacy FireWire audio interfaces to modern PCs. With three external and one internal FireWire port, it supports a maximum data rate of 400 Mbps. This is adequate for most audio recording and playback tasks. The card is compatible with both Windows and Mac systems, though Mac users will need to install drivers. For those with older audio hardware, it remains a viable solution.

Which controller card is best for a music production PC?

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For music production PCs, the StarTech PCI1394MP is often the best choice if you rely on FireWire audio interfaces. It provides stable 400 Mbps connections and supports both 6-pin and 4-pin FireWire devices. If you need high-speed storage for sample libraries, the ASUS Hyper M.2 x16 Card V2 is also worth considering for NVMe SSD expansion. Both options are under £35 and cater to different aspects of music production workflows.

Other controller cards included in the test

These models were tested but did not make the top 5

StarTech PEXUSB3S3GEStarTech PEXUSB3S3GE£42.82£42.82Or 3 interest-free payments of £14.27/mo.*9+stores
StarTech PEX1P2StarTech PEX1P2£23.63£23.63Or 3 interest-free payments of £7.87/mo.*9+stores
StarTech PEX1394B3StarTech PEX1394B3£56.58£56.58Or 3 interest-free payments of £18.86/mo.*9+stores
StarTech PEXUSB3S2EIStarTech PEXUSB3S2EI£31.31.5

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