Western Digital BLACK SN850X 4TB + Heatsink

Western Digital BLACK SN850X 4TB + Heatsink NVMe Gen4 PCIe M.2 2280 Up to 7,300 MB/s WDS400T2XHE

Western Digital BLACK SN850X 4TB + Heatsink NVMe Gen4 PCIe M.2 2280 Up to 7,300 MB/s WDS400T2XHE

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(107 reviews)
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  • TRANSFORM YOUR PC. Get top-tier performance and ridiculously short load times for your gaming PC or workstation with insane speeds up to 7,300 MB/s (2)
  • MORE ROOM, MORE GAMES. Capacities up to 8TB (1) built with Western Digital TLC 3D NAND, means you get to download more games — and stop deleting your favorites.
  • HEATSINK FOR THE WIN. All capacities have an optional heatsink version to help maintain peak performance through your most intense gaming sessions.
  • DO MORE WITH DASHBOARD. The downloadable WD_BLACK Dashboard (Windows only) monitors your drive’s health, lets you customize your RGB lighting (heatsink versions only), and can automatically detect games to turn on Game Mode 2.0.
  • FUTURE-FORWARD FEATURES. The WD_BLACK SN850X boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).

Specifications Overview

Model
  • WDS400T2XHE
  • WDS400T2XHE-00BCA0
  • WDBB9H0040BNC-WRSN
Release Date July 2024

* First availability for purchase, it may not correspond to the actual market launch date.

Series Black
Capacity 4000 GB
Interface PCIe Gen4 x4
NVME Yes
Form Factor M.2-2280
Max Sequential Read Up to 7300 MB/s
Max Sequential Write Up to 6600 MB/s
MTBF 1.75M Hours

Western Digital BLACK SN850X 4TB + Heatsink Performance comparison with similar Solid State Drives

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Western Digital BLACK SN850X 4TB + Heatsink Price/Performance Analysis

Sequential read/write speed, Random 4K read/write speed vs Price

Price-to-Performance Analysis:

  • Fair value: 3.2% below average.
  • 8 products offer better price-to-performance ratio.
  • Best alternative: Crucial T705 4TB Heatsink offers 42.1% better value priced at $612.

Compare Western Digital BLACK SN850X 4TB + Heatsink with similar Solid State Drives

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