Our Take
The WD_BLACK SN7100 is WD's latest high-speed NVMe drive positioned as their flagship gaming storage solution. It's pitched as the successor to older WD_BLACK models, and it's genuinely aimed at anyone who's serious about gaming performance—whether that's folks building a new PC, upgrading an existing rig, or even slotting it into the latest handheld gaming devices like the Steam Deck. This is a proper performance drive, not a budget compromise.
What makes this drive relevant is those read speeds hitting 7250 MB/s and write speeds of 6900 MB/s—we're talking about real-world benefits here, like game levels loading noticeably faster and shader caches writing without creating stutters. It's built on next-gen TLC 3D NAND with an M.2 2280 form factor, which means it'll fit into virtually any modern gaming laptop, desktop, or compatible handheld. The WD_BLACK DASHBOARD software is a nice touch too—it gives you thermal monitoring and drive health checks without feeling bloated, which matters when you're keeping an eye on temperatures during long gaming sessions.
Against rivals like the Samsung 870 QVO or Crucial P5 Plus, the SN7100 trades blows on sequential speeds, though real-world gaming load times between them won't feel dramatically different unless you're doing heavy video work too. UK buyers should check compatibility with their exact device (some laptops have limited slot options), and verify what comes in the box—sometimes these drives ship without a heatspreader, which can matter if your device runs warm. Also worth checking the warranty terms from your UK retailer, as they vary.
Key Features
7250 MB/s read speed and 6900 MB/s write speed via PCIe Gen4 interface
M.2 2280 form factor compatible with gaming laptops, desktops, and handheld devices
Next-gen TLC 3D NAND technology for reliability and sustained performance
WD_BLACK DASHBOARD software for real-time thermal monitoring and drive health tracking
Supports NVMe 1.4 and works with both Windows and compatible gaming platforms
1TB capacity (also available in other sizes) providing ample room for multiple AAA titles
Our Verdict
Buy this if you're building a gaming-focused system where you want confidence in speed and reliability, or upgrading a Steam Deck or gaming laptop. Otherwise, a Gen3 drive will save you money without making your games feel slower.
