TieDex UK WD_BLACK SN850X NVMe SSD WDS400T2X0E - SSD - 4 TB - PCIe 4.0 x4 (NVMe)

WD_BLACK SN850X NVMe SSD WDS400T2X0E - SSD - 4 TB - internal - M.2 2280 - PCIe 4.0 x4 (NVMe)

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Gain the Ultimate Gaming Edge

Insane speeds up to 7,300 MB/s² (1TB - 4TB models) deliver top-tier performance with ridiculously short load times — for the elite gaming experience you’ve been waiting for.

Heatsink for the Win

All capacities have an optional heatsink version that's not only eye-catching, but also helps your rig maintain peak performance through your most intense gaming sessions.

More Room for More Games

Capacities up to 8TB¹ built with Western Digital TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.

Do more with WD_BLACK Dashboard

The downloadable WD_BLACK Dashboard (Windows^® only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.

Future-forward features

The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management³.

DirectStorage Supported

Improve load times and get precious time back with Microsoft^® DirectStorage technology.

General
Capacity	4 TB
Thermal	Without Heatsink
compatibility	Windows® 10+ PlayStation®5 (Heatsink model only)4 Computer with M.2 (M-key) port, capable of taking M.2 2280 form factor
Dimension	80mm x 22mm x 2.38mm
Product Weight	0.0075kgs
Interface	PCIe Gen4 x4

Product Data Sheet

WD_BLACK SN850X 4TB Internal NVMe SSD without Heatsink

Crush load times and slash throttling, lagging, and texture pop-ins with the WD_BLACK SN850X NVMe™ SSD. Available in capacities of 1TB up to 8TB¹, this gaming drive is built for top-tier performance. With 7,300MB/s² speeds (1TB - 4TB models) and a heatsink option to maintain performance, you can enjoy your favorite games without worrying about lag. Plus, the downloadable WD_BLACK Dashboard (Windows® only) can automatically turn on Game Mode 2.0 features. The WD_BLACK SN850X NVMe™ SSD delivers a smooth, fast experience —and the innovations that let you compete at your absolute peak.

0:49 0:49

Gain the Ultimate Gaming Edge

Insane speeds up to 7,300 MB/s² (1TB - 4TB models) deliver top-tier performance with ridiculously short load times — for the elite gaming experience you’ve been waiting for.

Heatsink for the Win

All capacities have an optional heatsink version that's not only eye-catching, but also helps your rig maintain peak performance through your most intense gaming sessions.

More Room for More Games

Capacities up to 8TB¹ built with Western Digital TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.

Do more with WD_BLACK Dashboard

The downloadable WD_BLACK Dashboard (Windows^® only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.

Future-forward features

The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management³.

DirectStorage Supported

Improve load times and get precious time back with Microsoft^® DirectStorage technology.

Specifications

General
Capacity	4 TB
Thermal	Without Heatsink
compatibility	Windows® 10+ PlayStation®5 (Heatsink model only)4 Computer with M.2 (M-key) port, capable of taking M.2 2280 form factor
Dimension	80mm x 22mm x 2.38mm
Product Weight	0.0075kgs
Interface	PCIe Gen4 x4

Documents

Product Data Sheet

Footnotes

^footnote1 1GB < 1 billion bytes and 1TB < 1 trillion bytes. Actual user capacity may be less depending on operating environment.

^footnote2 Based on read speed. 1 MB/s < 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.

^footnote3 Requires the WD_BLACK Dashboard (Windows^® only)

^footnote4 For PS5^™ firmware compatibility, please visit http://wdblack.com/SN850HS-PS5.

Basic Specifications

Manufacturer's Part Number

WDS400T2X0E

EAN

0718037891378

Capacity

4 TB

Model

WD_BLACK SN850X NVMe SSD WDS400T2X0E

Interface

PCIe 4.0 x4 (NVMe)

Form Factor

M.2 2280

Dimensions (WxDxH)

22 mm x 80 mm x 2.38 mm

Manufacturer Warranty

5-year warranty

Type

Solid state drive - internal

Weight

7.5 g

Product Description

WD_BLACK SN850X NVMe SSD WDS400T2X0E - SSD - 4 TB - PCIe 4.0 x4 (NVMe)

Environmental Parameters

Min Operating Temperature

0 °C

Max Operating Temperature

85 °C

Min Storage Temperature

-40 °C

Max Storage Temperature

85 °C

General

Device Type

Solid state drive - internal

Capacity

4 TB

Form Factor

M.2 2280

Interface

PCIe 4.0 x4 (NVMe)

Width

22 mm

Depth

80 mm

Height

2.38 mm

Weight

7.5 g

Manufacturer Warranty

Service & Support

Limited warranty - 5 years

Performance

SSD Endurance

2400 TB

Internal Data Rate

7300 MBps (read) / 6600 MBps (write)

4KB Random Read

1200000 IOPS

4KB Random Write

1100000 IOPS

Expansion & Connectivity

Interfaces

1 x PCI Express 4.0 x4 (NVMe) - M.2 M key

Compatible Bay

M.2 2280

Software & System Requirements

OS Required

Windows 8.1 / 10 / 11