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Western Digital

WD Black SN850X 8TB M.2 NVMe PCIe 4.0 x4 7200 MB/s - WDS800T2X0E (Boxed)

SKU 10986 Brand Western Digital EAN13 0718037903118
WD Black SN850X 8TB M.2 NVMe PCIe 4.0 x4 SSD delivers 7200/6600 MB/s speeds, 1.2M IOPS, BiCS6 NAND & 4800 TBW. Top high-capacity performer for gaming/pro workloads w/ 5-yr warranty.
Storage (SSD & HDD) - Device Type Internal SSD
Storage (SSD & HDD) - Capacity 8TB
Storage (SSD & HDD) - Sequential Read Speed (SSD) 5001 to 7000 MB s
Storage (SSD & HDD) - Interface PCIe 4.0 (Gen4)
Storage (SSD & HDD) - DRAM Cache (SSD) Yes
Storage (SSD & HDD) - Heatsink (SSD) Not Included
Storage (SSD & HDD) - Form Factor M.2 2280
Storage (SSD & HDD) - PCIe Lanes (SSD) x4

The WD Black SN850X (WDS800T2X0E-00CDD0) is Western Digital's flagship 8TB M.2 NVMe SSD, leveraging PCIe 4.0 x4 interface for extreme speeds up to 7200 MB/s read and 6600 MB/s write. Powered by Kioxia BiCS6 162-layer TLC NAND and SanDisk's 8-channel controller with DDR4 DRAM cache, it achieves 1.2 million random IOPS—ideal for gaming, content creation, and enterprise use without performance compromises at high capacity[1][2][3].

This drive stands out as the best 8TB PCIe 4.0 SSD, using advanced BiCS6 flash (vs BiCS5 in smaller models) for superior density and efficiency. It offers exceptional endurance at 4800 TBW and a 5-year warranty, making it reliable for heavy workloads. PS5 compatible with optional heatsink version[2].

 

  • Form factor: M.2 2280
  • Sequential: 7200/6600 MB/s
  • Random 4K: 1,200,000 IOPS read/write
  • Endurance: 4800 TBW
  • Warranty: 5 years
  • OS: Windows 10/11

 

SSD capacity8 TB
SSD form factorM.2 2280
InterfacePCI Express 4.0 x4
FeatureNVMe
Component forPC
Read speed7200 MB/s
Write speed6600 MB/s
Random read (4KB)1200000 IOPS
Random write (4KB)1200000 IOPS
PCI Express interface data lanesx4
Windows operating systems supportedWindows 10, Windows 11
TBW rating4800
NAND FlashKioxia BiCS6 162-layer TLC
DRAM CacheYes (DDR4)
ControllerSanDisk 8-channel (Triton MP16+)
Width22 mm
Depth80 mm
Height3.8 mm (SSD only)
Operating temperature (T-T)0 - 85 °C
Warranty period5 year(s)