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WD_BLACK SN7100 M.2 2280 4TB PCI-Express 4.0 x4 TLC 3D NAND Internal Solid State Drive (SSD) WDS400T4X0E
- HIGH-OCTANE GAMING. Experience speeds up to 7,000MB/s read and 6,700MB/s write, with up to 35% faster performance than previous generation.
- PURPOSE-BUILT. Designed for serious on-the-go gamers, with a PCIe Gen4 interface and Western Digital's next generation TLC 3D NAND.
- MORE SPACE FOR FAVORITES AND NEW TITLES. Available in multiple capacities up to 4TB*, upgrade to an SSD that gives you tons of storage.
- MORE TIME TO CLEAR THAT CHECKPOINT. Built with laptops and handheld gaming devices in mind, with up to 100% more power efficiency over the previous generation.***
- DO MORE WITH DASHBOARD. Ensure your drive is optimized for prime performance with the downloadable WD_BLACK Dashboard (Windows only).
- AMPLIFY YOUR CONTENT. Up to 2,400TBW endurance (4TB* model) for gameplay streaming, speed-run captures, or creating with the latest game engines.
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Overview
Specs
Reviews (13)
Get ready to game even faster with the WD_BLACK SN7100 NVMe SSD, featuring up to 7, 250MB/s read and 6, 900MB/s write speeds(1-2TB models), providing up to a 35% performance boost over the previous generation SSD. Engineered with laptops and gaming handhelds in mind, obliterate load times and conquer your heftiest gaming sessions with improved power efficiency at maximum speed. Store more games and still have room for future updates and DLC, with capacities up to 2TB. Upgrade now and ensure you're ready for the rigors of AI applications and next generation gaming.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 5 years
- Limited Warranty period (labor): 5 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.ca's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Website
- Support Phone: 1-800-275-4932
- Support Website
- View other products from SanDisk
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The WD_BLACK SN7100 is a 4TB M.2 2280 PCIe 4.0 x4 NVMe SSD for gamers who want substantial game storage and fast transfers in a compatible desktop, laptop, or handheld gaming device; its listed sequential speeds are up to 7,000MB/s read and 6,700MB/s write.
Recommended For
- Gaming-laptop owners with a compatible M.2 2280 slot who want to add game storage while prioritizing low drive power use; reviewers found the SN7100 especially efficient, though its power-efficiency advantage is compared with the previous-generation SN770.
- Owners of handheld gaming PCs that accept an M.2 2280 drive and want room for a larger installed game library; CNET Korea tested the 4TB SN7100 in an ASUS ROG Ally X.
- PC gamers who want a 4TB internal drive for a large game collection and frequent installs or updates, and whose system supports PCIe NVMe M.2 2280; the 4TB model is rated for 2,400TBW.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Gaming, multimedia, and personal use in laptops, desktops, or handheld gaming consoles |
| Capacity And Form Factor | 4TB internal SSD in an M.2 2280 form factor |
| Interface And Memory | PCIe 4.0 x4 with NVMe and TLC 3D NAND; uses HMB cache without DRAM |
| Read And Write Performance | Sequential speeds up to 7,000 MB/s read and 6,700 MB/s write; random performance up to 900,000 IOPS read and 1,350,000 IOPS write |
| Endurance And Reliability | Rated for up to 2,400TBW with a 1,750,000-hour MTBF |
| Power And Operating Conditions | Average active power 95mW, maximum operating power 4.5W, and sleep power 5mW; operating temperature 0°C to 85°C and storage temperature -40°C to 85°C |
| Shock And Vibration Resistance | Shock resistance up to 1,500G at 0.5ms; vibration resistance 5gRMS from 10–2,000Hz across 3 axes |
| Physical Specifications | 80 × 22 × 1.14mm and 5.8g; supplied without a heatsink |
| Model Identifiers | SanDisk WD_BLACK SN7100; model WDS400T4X0E-00CJA0, part number WDS400T4X0E |