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WD_BLACK SN7100 1TB NVMe SSD M.2 2280 PCIe Gen4 Internal Solid State Drive up to 7250MB/s for Gaming Laptops

Brand:
Western Digital
WD_BLACK SN7100 1TB M.2 2280 PCIe Gen4 NVMe SSD
WD_BLACK SN7100 1TB NVMe SSD M.2 2280 PCIe Gen4 Internal Solid State Drive up to 7250MB/s for Gaming Laptops
€243.71 inc. VAT
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WDS100T4X0E-00CJA0
€204.80 €227.56
€243.71 inc. VAT
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Product Code
04:521907
EAN Code
0718037893204
Manufacturer
Western Digital
QUICK SPECS
Capacity
1TB
Interface
PCIe Gen4 NVMe
Read Speed
Up to 7250MB/s
Form Factor
M.2 2280
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WD_BLACK SN7100 1TB NVMe SSD

1TBPCIe Gen4 NVMeUp to 7250MB/sM.2 2280 single-sided

The WD_BLACK SN7100 1TB, part number WDS100T4X0E-00CJA0, is an internal M.2 2280 PCIe Gen4 NVMe solid state drive with sequential reads up to 7,250MB/s, built for gamers, content creators and anyone upgrading a laptop, handheld or desktop PC. It is the 1TB model in the SN7100 line-up, which also comes in 500GB, 2TB and 4TB, and pairs Western Digital next-generation TLC 3D NAND with a power-efficient DRAM-less design.

With reads up to 7,250MB/s and writes up to 6,900MB/s, the SN7100 delivers up to 35% faster performance and up to 100% better power efficiency than the previous-generation WD_BLACK SN770, so games load faster while your battery lasts longer. Carrying EAN 0718037893204 and MPN WDS100T4X0E-00CJA0, its slim single-sided 2.38mm profile fits thin laptops and gaming handhelds with ease. Typically in stock with fast delivery across Cyprus.

Compatibility note
The SN7100 requires an M.2 2280 (80mm) slot with an NVMe PCIe interface. For full Gen4 speeds you need a PCIe Gen4 x4 slot; it is backward compatible with PCIe Gen3 and Gen2 at reduced speeds. The single-sided 2.38mm design suits laptops and handhelds such as Steam Deck and ROG Ally. It will not work in SATA-only M.2 slots. The drive ships without a heatsink, so for a PlayStation 5 install you should add a compatible M.2 heatsink separately.

Best For

✓ Fast game loading on gaming laptops and PCs
✓ Handheld consoles like Steam Deck and ROG Ally
✓ Upgrading a thin-and-light laptop for more speed
✓ Content creation, large file transfers and editing
✓ A high-speed boot and OS drive
✓ Battery-conscious users who want efficiency at speed

Key Features

 
Speeds up to 7,250MB/s
PCIe Gen4 performance with sequential reads up to 7,250MB/s and writes up to 6,900MB/s obliterates load times and shortens file transfers.
 
Up to 100% better efficiency
A DRAM-less design with Host Memory Buffer delivers up to 100% better power efficiency than the SN770, extending battery life on laptops and handhelds.
 
Next-gen TLC 3D NAND
Western Digital next-generation TLC 3D NAND provides high speeds and 600TBW endurance for years of gaming and creating.
 
SanDisk Dashboard & Game Mode
The downloadable SanDisk Dashboard (Windows) monitors drive health and firmware and enables Game Mode to optimise performance.

Technical Specifications

Product Identification
Part Number WDS100T4X0E-00CJA0
EAN / GTIN 0718037893204
MPN WDS100T4X0E-00CJA0
Brand WD_BLACK (Western Digital / SanDisk)
Series SN7100 NVMe SSD
Performance
Sequential Read Up to 7,250 MB/s
Sequential Write Up to 6,900 MB/s
Random Read Up to 1,000K IOPS — small random operations per second, drives app and OS responsiveness
Random Write Up to 1,400K IOPS
Endurance (TBW) 600 TB — total data you can write over the drive’s lifetime (JEDEC client workload)
Form & Interface
Capacity 1 TB
Form Factor M.2 2280 — 22mm wide x 80mm long, single-sided
Interface PCIe Gen 4 x4 NVMe — four PCIe lanes for full Gen4 bandwidth
NAND Western Digital TLC 3D NAND
Architecture DRAM-less (Host Memory Buffer) — borrows a little system RAM for the mapping table to cut power and cost
Dimensions 80 mm x 22 mm x 2.38 mm
Weight 5.8 g
Compatibility & Reliability
System Compatibility Backward compatible with PCIe Gen4 x2/x1, Gen3 and Gen2; Windows 10 or later
Operating Temperature 0°C to 85°C
Non-Operating Temperature -40°C to 85°C
RoHS Compliance Yes
Warranty 5-year limited warranty

Frequently Asked Questions

Will the WD_BLACK SN7100 1TB work in my laptop or handheld?
Yes, if your device has an M.2 2280 slot with an NVMe PCIe interface. Its slim single-sided 2.38mm design is built for thin laptops and gaming handhelds such as the Steam Deck and ROG Ally. It does not fit SATA-only M.2 slots, and full Gen4 speeds require a PCIe Gen4 x4 slot.
Can I use the SN7100 in a PlayStation 5?
It works as a PS5 storage expansion drive thanks to its PCIe Gen4 speeds, but it ships without a heatsink. Sony requires a heatsink for M.2 SSDs in the PS5, so you would need to add a compatible M.2 heatsink separately before installing it.
What is the difference between the SN7100 and the older SN770?
The SN7100 offers up to 35% faster performance and up to 100% better power efficiency than the SN770. Both are DRAM-less Gen4 drives, but the SN7100 uses newer TLC 3D NAND and a more efficient controller, making it the better choice for battery-powered laptops and handhelds.
What do I need to know before buying the SN7100 1TB?
Confirm you have a free M.2 2280 NVMe slot and a way to clone or reinstall your operating system. The drive is DRAM-less and relies on Host Memory Buffer, has 600TBW endurance, a 5-year limited warranty, and works best in a Gen4 slot; in Gen3 systems it still works but at reduced speed.
Singular Expert Insight
The SN7100 is one of the best-balanced Gen4 drives for mobile use: near-flagship 7,250MB/s reads with class-leading power efficiency, which matters far more in a laptop or handheld than the last few hundred MB/s of a power-hungry flagship. If you need the absolute peak sustained write performance for heavy professional workloads, a DRAM-equipped drive like the SN850X is worth considering, but for most gamers and creators this 1TB internal SSD is the smarter, cooler-running pick. Step up to the 2TB model if you keep a large game library installed, or pair it with a rugged external SSD for backups on the go.

Buyer's Guide

Buy it if
You want fast 7,250MB/s Gen4 speed with great battery efficiency for a gaming laptop, handheld, or desktop, and 1TB suits your game and app library.
Skip it if
You need maximum sustained write speed for heavy pro workloads (consider a DRAM SSD), or your device only has a SATA M.2 or no M.2 2280 slot.
Also consider
SN7100 2TB (WDS200T4X0E) for a bigger library, or WD_BLACK SN850X if you want a DRAM-equipped flagship with optional heatsink.

Features - Western Digital - WDS100T4X0E-00CJA0

Interface
  • M.2
More Details
Product Code
04:521907
EAN Code
0718037893204
Manufacturer
Western Digital
Technical specifications
Capacity
1TB
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