WD_BLACK SN7100 WDS400T4X0E-00CJA0 4TB NVMe SSD M.2 2280 PCIe Gen4 up to 7000MB/s for Gaming Laptops and PCs
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Western Digital
WD_BLACK SN7100 WDS400T4X0E-00CJA0 4TB NVMe SSD M.2 2280 PCIe Gen4 up to 7000MB/s for Gaming Laptops and PCs
€913.17 inc. VAT
WDS400T4X0E-00CJA0
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Competitive EU pricing
Delivered to Cyprus from EU stock
Local warranty support
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WD_BLACK SN7100 4TB PCIe Gen4 NVMe SSD
4TBPCIe Gen4 x4 NVMeUp to 7,000MB/sM.2 2280 · Power Efficient
The WD_BLACK SN7100 4TB, part number WDS400T4X0E-00CJA0, is a power-efficient PCIe Gen4 internal M.2 2280 NVMe SSD built for gaming laptops, handheld consoles and PCs. With sequential reads up to 7,000MB/s, it delivers fast load times and plenty of room for a large game library, all while running cooler and lasting longer on battery than the previous generation.
Reaching sequential reads up to 7,000MB/s and writes up to 6,700MB/s, with up to 900,000 read and 1,350,000 write IOPS, the SN7100 keeps games and applications responsive. Carrying EAN 0718037902982 and MPN WDS400T4X0E-00CJA0, it uses next-gen TLC 3D NAND in a single-sided DRAM-less design, with a 2,400TBW endurance rating and a 5-year limited warranty. Typically in stock with fast delivery across Cyprus.
Compatibility note
The SN7100 uses the standard M.2 2280 size (22 x 80mm) with a PCIe NVMe slot, and is single-sided for slim laptops and handhelds. Its power-efficient design suits the Steam Deck, ASUS ROG Ally and similar 2280-slot handhelds, as well as PS5 (a heatsink is required for PS5 and is not included). It runs at full speed in Gen4 slots and works in Gen3 slots at reduced speed.
Best For
✓ Gaming laptops and desktops
✓ Handheld consoles with a 2280 slot
✓ Large game and media libraries
✓ Battery-conscious, power-efficient builds
✓ Creators needing fast 4TB storage
✓ PS5 expansion (with a separate heatsink)
Key Features
PCIe Gen4 speeds up to 7,000MB/s
Sequential reads up to 7,000MB/s and writes up to 6,700MB/s, with up to 900K/1,350K IOPS, for fast boots, quick game loads and smooth multitasking.
Exceptional power efficiency
A new-generation controller delivers up to 100% more power efficiency at peak speed versus the prior generation, ideal for handhelds and laptops where battery life and heat matter.
Single-sided DRAM-less design
The slim, single-sided M.2 2280 layout fits tight handheld and laptop slots, while next-gen TLC 3D NAND keeps performance high without a separate DRAM cache.
Huge 4TB capacity, 5-year warranty
4TB holds a large library of modern games and media, backed by a 2,400TBW endurance rating and a 5-year WD limited warranty for long-term confidence.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
The WD_BLACK SN7100 is one of the best efficiency-focused Gen4 drives: it hits up to 7,000MB/s yet runs cool and sips power, which makes the 4TB version a superb pick for a Steam Deck, ROG Ally or gaming laptop where heat and battery life matter. It is DRAM-less, so in pure sustained benchmarks an enthusiast drive like the SN850X edges ahead, but in real-world gaming the difference is minimal and the SN7100 wins on efficiency and value. For a single-sided 4TB handheld and laptop upgrade, it is an easy recommendation. See the full lineup in our internal SSDs.
Buyer's Guide
Buy it if
You want a cool, power-efficient 4TB Gen4 drive for a gaming laptop, handheld or PC, with up to 7,000MB/s speeds and a 5-year warranty.
Skip it if
You need maximum sustained write performance for heavy creator workloads, or PCIe Gen5 speeds for a Gen5-ready desktop.
Also consider
The WD_BLACK SN850X for higher peak Gen4 performance, or a Gen5 drive like the WD_BLACK SN8100 if your system supports PCIe 5.0.
Form Factor
- Internal
Interface
- M.2
Technical specifications
Μέγεθος
4TB
Χαρακτηριστικά
Product Code
04:533072
EAN Code
0718037902982
Manufacturer
Western Digital