TL;DR · Our verdictStarTech M.2 SATA SSD Controller Card Review UK 2025
The StarTech M.2 SATA SSD Controller Card is a straightforward solution for adding M.2 SATA storage to systems lacking native support. At £31.32, it delivers reliable performance without unnecessary frills, though you’ll need to understand the SATA-only limitation before buying.
- Delivers full SATA III bandwidth without bottlenecks
- Includes both standard and low-profile brackets
- Reliable ASMedia controller with proven track record
- SATA only – no NVMe support whatsoever
- Controller gets warm during sustained transfers
- PCIe bracket feels slightly flimsy
Delivers full SATA III bandwidth without bottlenecks
SATA only – no NVMe support whatsoever
Includes both standard and low-profile brackets
The full review
5 min readI’ve tested dozens of storage expansion cards over the years, and here’s what nobody tells you in the spec sheets: most of them work fine until they don’t. After two weeks with the StarTech m2" class="vae-glossary-link" data-term="m2">M.2 SATA SSD Controller Card, I can tell you exactly where it succeeds, where it stumbles, and whether it’s worth your money in 2025.
📊 Key Specifications
Here’s the thing: this isn’t a fancy adapter with RGB lighting or elaborate cooling solutions. It’s a PCB with a SATA controller chip and an M.2 slot. And honestly? That’s exactly what most people need.
The PCIe x4 interface means you can slot this into any available PCIe slot on your motherboard – x4, x8, or x16. I tested it in a spare x16 slot on an older Z97 board, and it worked immediately after installing the drivers. No fuss.
Features That Matter (And What’s Missing)
Look, the feature set is minimal by design. You’re not getting RAID support, you’re not getting NVMe compatibility, and there’s no fancy software suite. What you do get is a reliable ASMedia controller that’s been around for years and proven itself stable.
The dual bracket situation is actually pretty thoughtful. I’ve reviewed adapters that only include the standard bracket, forcing you to bodge a solution for low-profile cases. StarTech includes both, which is the kind of attention to detail that matters when you’re working with older hardware.
Real-World Performance
Tested with a Samsung 860 EVO 500GB. Performance matches direct motherboard connection within margin of error.
I ran CrystalDiskMark and AS SSD benchmarks on a Samsung 860 EVO connected through this adapter. The results? Pretty much identical to connecting the same drive directly to a motherboard’s native M.2 slot. Sequential reads hit 548MB/s, writes reached 512MB/s, and random performance was exactly where you’d expect SATA to be.
Here’s what that means in practice: if you’re moving large video files, you’ll see transfer speeds around 500MB/s. Boot times from an OS installed on the drive are snappy. Application loading is typical SATA SSD performance – fast enough for most users, though obviously nowhere near NVMe territory.
During sustained transfers (I copied about 200GB of video files), the controller chip got warm to the touch but never throttled. That said, if you’re planning heavy sustained workloads, make sure you’ve got decent case airflow. This thing has no heatsink.
Build Quality and Design
This is where StarTech shows its enterprise hardware roots. The PCB is standard green – no black or red styling here – but the construction is solid. Solder joints are clean, components are properly aligned, and the M.2 slot has a reassuring metal reinforcement.
The mounting screw for the M.2 drive is included (thank you, StarTech), along with a standoff for 2280-length drives. If you’re using shorter 2260 or 2242 drives, you’ll need to position the standoff accordingly. The manual actually explains this clearly, which is rarer than it should be.
My only gripe? The PCIe bracket feels a bit flimsy. It’s stamped metal rather than the thicker gauge you’d find on premium cards. It’ll hold the card in place fine, but it flexes more than I’d like when you’re screwing it into the case. Not a dealbreaker, just something to be gentle with.
📱 Ease of Use
Installation is straightforward if you’ve ever installed a graphics card. Power down, slot the card into an available PCIe slot, mount your M.2 SATA drive, secure everything, boot up. Windows 10 and 11 usually detect the ASMedia controller automatically and install drivers within a minute or two.
I tested this on three different systems: a Z97 board from 2015, a B450 AMD platform, and a newer Z690 board. All three recognised the drive immediately after driver installation. On the Z690, it was genuinely plug-and-play – no manual driver installation needed.
One gotcha: make sure you’re actually using an M.2 SATA drive, not an M.2 NVMe drive. They look identical, but NVMe drives simply won’t work with this adapter. Check your drive’s specifications before buying. If your drive supports NVMe, you need a different adapter (and you should probably use NVMe anyway for the speed benefits).
How It Stacks Up Against Alternatives
The ASUS Hyper M.2 is the premium option here, but it’s nearly double the price and honestly overkill if you only need one SATA drive. It supports NVMe, which is great, but if your drive is SATA anyway, you’re paying for features you can’t use.
The Silverstone ECM22 is cheaper but uses the same ASMedia controller. The difference? Build quality. The StarTech feels more robust, includes both brackets as standard, and comes with better documentation. Worth the extra few quid? I think so, but if you’re on a tight budget, the Silverstone will work fine.
What Other Users Are Saying
The complaints are mostly from people who didn’t read the specifications properly. This is a SATA adapter. It says SATA in the title. If you buy it expecting NVMe speeds, that’s on you, not StarTech.
The warmth issue is real but manageable. The ASMedia controller does get warm – I measured around 55°C during sustained transfers. That’s well within spec, but if you’ve got terrible case airflow, keep an eye on it. A small heatsink would’ve been nice, but at this price point, I understand why it’s not included.
Is It Worth Your Money?
At the budget end of M.2 adapters, you’re getting a proven controller, dual brackets, and reliable performance. Cheaper options exist but often lack the build quality or proper driver support. Premium options add NVMe support or multiple slots, but if you only need one SATA drive, this hits the sweet spot between cost and quality.
Here’s my take on value: if you’ve got an M.2 SATA drive sitting in a drawer (maybe from a laptop upgrade) and an older desktop without M.2 slots, this adapter costs less than buying a new 2.5″ SATA SSD of equivalent capacity. That’s the use case where it makes perfect sense.
If you’re building a new system, though? Just buy a motherboard with M.2 slots. They’re standard on everything from budget B-series boards upwards now. This adapter is for retrofitting older systems or specific use cases where you need additional M.2 SATA capacity.
What works. What doesn’t.
5 + 4What we liked5 reasons
- Delivers full SATA III bandwidth without bottlenecks
- Includes both standard and low-profile brackets
- Reliable ASMedia controller with proven track record
- Compatible with multiple form factors (2280/2260/2242)
- Simple installation with good documentation
Where it falls4 reasons
- SATA only – no NVMe support whatsoever
- Controller gets warm during sustained transfers
- PCIe bracket feels slightly flimsy
- No heatsink included
Full specifications
9 attributes| Key features | Improve system performance, recover data, or create a redundant data backup by adding two M.2 solid-state drives (SSD) to your desktop PC |
|---|---|
| Wide installation compatibility, with support for virtually all M.2 NGFF drives (22110, 2280, 2260, 2242, 2230) | |
| Two M.2 B-Key onboard sockets that support SATA III transfer speeds up to 6Gbps | |
| Adjustable stand-offs, and multiple mounting holes support 110mm, 80mm, 60mm, 42mm, and 30mm SSDs | |
| Fast, hassle-free setup with native OS support | |
| Helps improve system performance, recover data, or create a redundant data backup | |
| Adjustable stand-offs, and multiple mounting holes support many SSDs | |
| Two M.2 B-Key onboard sockets support SATA III transfer speeds up to 6 Gbps | |
| Fast, hassle-free setup with native OS support |
If this isn’t right for you
3 options
Frequently asked
7 questions01How do I install an M.2 SATA controller card?+
Installation requires powering down your PC, inserting the M.2 SATA drive into the card's slot at a 30-degree angle until the retention clip engages, then installing the complete card into an available PCIe slot. Windows 10 and 11 recognise the drive automatically without driver installation. Initialise the new drive through Disk Management before use.
02What are the compatibility requirements?+
The card requires a PCIe 2.0 or newer slot (x4, x8, or x16) and supports only M.2 SATA SSDs with B+M key notches in 2280 form factor. Compatible operating systems include Windows 7/8/10/11 and most Linux distributions. Your M.2 drive must use SATA protocol, not NVMe.
03Can this card support multiple M.2 drives?+
No, the StarTech M.2 SATA SSD Controller Card accommodates only one M.2 2280 drive. Users requiring multiple M.2 slots should consider dual-slot alternatives like the IOCREST M.2 Controller Card, which supports two drives simultaneously with optional RAID configuration.
04What's the difference between SATA and NVMe M.2 cards?+
M.2 SATA drives use the SATA III protocol with maximum speeds around 550MB/s, whilst NVMe drives utilise PCIe lanes for speeds reaching 2000-7000MB/s. This controller only supports SATA protocol M.2 drives (B+M key). NVMe drives (M key) require completely different controller hardware and won't function with this card.
05How does this improve my computer's storage?+
This card adds M.2 SATA storage capability to motherboards lacking native M.2 slots, providing SSD performance (550MB/s) significantly faster than traditional hard drives (120MB/s). It allows using compact M.2 drives without occupying standard SATA ports or requiring drive bay space, ideal for small form factor builds or systems with limited connectivity.
06What PCIe slot do I need for this card?+
The card functions in any PCIe x4, x8, or x16 slot supporting PCIe 2.0 or newer standards. Whilst designed for x4 slots, installing in larger x8/x16 slots works perfectly without performance penalties. Avoid PCIe x1 slots as they lack sufficient lane count. Most motherboards from 2010 onwards provide compatible slots.
07Are there performance limitations with this controller?+
Performance matches standard SATA III specifications (6Gbps maximum) with real-world speeds around 550MB/s read and 520MB/s write. The controller introduces no additional bottlenecks beyond inherent SATA protocol limitations. However, NVMe drives offer 4-10x faster speeds, so users prioritising maximum performance should consider NVMe-compatible controllers instead.
