WD Black SN850X 4 TB Solid State Drive
WD Black SN850X 4 TB Solid State Drive
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WD Black SN850X 4 TB Solid State Drive

M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe x4) - Gaming Console, Desktop PC Device Supported - 2400 TB TBW - 7300 MB/s Maximum Read Transfer Rate - 5 Year Warranty

Warranty: 5 Year Warranty
  • Product Type: Solid State Drive
  • Device Supported: Desktop PC, Gaming Console
  • Storage Capacity: 4 TB
  • Drive Type: Internal
Award Winning WD Blue 3D NAND SATA SSD.
Capacities up to 4TB with enhanced reliability.
An active power draw up to 25% lower than previous generations of WD Blue SSD.
Sequential read speeds up to 560 MB/s and sequential write speeds up to 530 MB/s.
An industry-leading 1.75M hours mean time to failure (MTTF) and up to 600 terabytes written (TBW) for enhanced reliability.
WD F.I.T. Lab certification for compatibility with a wide range of computers.

General Information

Manufacturer: Western Digital Corporation
Manufacturer Part Number: WDS400T2X0E
Manufacturer Website Address: http://www.wdc.com
Brand Name: WD
Product Line: Black
Product Series: SN850X
Product Name: BLACK SN850X NVMe SSD
Product Type: Solid State Drive

Technical Information

Storage Capacity: 4 TB
Platform Supported: PC

Drive Performance

Maximum Read Transfer Rate: 7300 MB/s
Maximum Write Transfer Rate: 6600 MB/s
Random 4KB Read: 1200000IOPS
Random 4KB Write: 1100000IOPS
Endurance (TBW): 2400 TB

Network & Communication

Wireless LAN: No


Drive Interface: PCI Express NVMe
Drive Interface Standard: PCI Express NVMe x4

Physical Characteristics

Drive Type: Internal
Form Factor: M.2 2280
Height: 93.70 mil (2.38 mm)
Width: 0.87" (22 mm)
Length: 3.15" (80 mm)
Weight (Approximate): 7.5 g


Operating System Compatibility: Windows 8.1, Windows 10, Windows 11
Compatibility: PlayStation 5
Device Supported: Gaming Console, Desktop PC


Limited Warranty: 5 Year
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