Western Digital · MPN: WDS400T1XHM-00CMT0
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Overview

  • 4 TB M.2 PCI Express 5.0
  • Read speed: 14900 MB/s 2300000 IOPS
  • Write speed: 14000 MB/s 2400000 IOPS
  • TLC 3D NAND NVMe
  • Hardware encryption
  • Component for: PC/Laptop

Experience the pinnacle of SSD performance with the WD_BLACK™ SN8100 NVMe™ Gen 5 SSD
Build your new gaming or workstation system with our cutting-edge PCIe® Gen 5 SSD, delivering blistering speeds up to 14,900 MB/s for demanding tasks like high-level gaming, professional content creation, and AI applications. As an industry-leader for PCIe® Gen 5 power efficiency, the WD_BLACK™ SN8100 NVMe™ SSD harnesses advanced TLC 3D CBA NAND technology to help ensure performance and reliability, while a low-power profile keeps your system running smoothly. Our new integrated heatsink features a signature WD_BLACK™ design and customizable RGB lighting. Engineered with anodized aluminum, double TIM pads, and a sleek low-profile design, it helps keep temperatures in check with a superior passive cooling design — no noisy fans or extra power cords required. With up to 4TB of storage and a suite of powerful features, this SSD is the ultimate upgrade for discerning users.

Experience the breakneck speed of PCIe® Gen 5
Drastically enhance your gaming and content creation experience with the speed of PCIe® Gen 5.0x4 NVMe™ M.2 SSD technology — perfect for gaming, content creation, and loading models for AI-powered applications.

Blistering speeds for intense tasks
With the help of our nCache™ 4.0 feature, the WD_BLACK™ SN8100 SSD reaches sequential read speeds up to an astonishing 14,900MB/s, sequential write speeds up to 14,000MB/s, and over 2,300,000 IOPS of random performance (2TB – 4TB models).

Designed to perform
Our latest TLC 3D CBA NAND technology provides our most advanced combination of speed and reliability to help ensure your experience is at top performance, no matter if you’re gaming or working.

An industry-leader for PCIe® Gen 5 power efficiency
Enjoy over 100% more power efficiency than our PCIe® Gen4 drive and simplify your system design without adding expensive cooling. Plus, an average operating power of 7W or under helps keep your drive running at optimal performance.

Endurance for every workload
With up to 2,400 TBW (4TB model) endurance, your machine can handle even the most intense tasks, such as gaming, caching, video editing, and AI workloads.

Room for revolution
Hold your biggest projects and still have room for OS updates, models for AI-powered applications, large datasets, and your game library thanks to immense capacities up to 4TB. And with the latest security features like TCG Opal, you can help protect and encrypt your sensitive data.

Custom WD_BLACK™ heatsink
Keep your SSD cool with a low-profile passive cooling heatsink design with customizable RGB lighting to match your style and your build needs. Our new and improved heatsink is engineered with anodized aluminum, redesigned for improved airflow. Allowing this heatsink drive to be completely noiseless, with no extra power or fans needed.

Specifications

Features

SSD capacity4 TB
SSD form factorM.2
InterfacePCI Express 5.0
NVMeYes
Memory typeTLC 3D NAND
Component forPC/Laptop
Hardware encryptionYes
M.2 SSD size2280 (22 x 80 mm)
Read speed14900 MB/s
Write speed14000 MB/s
Random read (4KB)2300000 IOPS
Random write (4KB)2400000 IOPS
Sequential read speed (AS SSD)14900 MB/s
Sequential write speed (AS SSD)14000 MB/s
M.2 key IDM
PCI Express interface data lanesx4
Windows operating systems supportedWindows 10, Windows 11
TBW rating2400

Weight & dimensions

Width80 mm
Depth24.8 mm
Height11.1 mm
Weight31.2 g
Show all 27 specificationsShow fewer specifications

General

Product familyBlack

Operational conditions

Operating temperature (T-T)0 - 85 °C
Storage temperature (T-T)-40 - 85 °C

Other features

Cooling typeHeatsink
Compliance certificatesBSMI, CE, Federal Communications Commission (FCC), ICES, KCC, RCM, TÜV mark, UL, VCCI

Delivery & returns

Delivery

  • FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
  • Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
  • PlayStation and Arozzi products use a 5–7 working-day service.
  • Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.

Returns

  • Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
  • Faulty or damaged on arrival? Contact us within 48 hours of delivery.
  • Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.

Full delivery information · Full returns policy