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Rectangular M.2 2280 SSD with black finned heatsink and Western Digital branding

SanDisk

SanDisk WDS800T2XHE-00CDD0 8TB internal SSD

SKU CH-845B-CFSYF MPN WDS800T2XHE-00CDD0

An 8 TB M.2 2280 NVMe SSD with PCI-Express 4.0 x4 interface, 8 GB DRAM cache, integrated heatsink, 7200 MBps read and 6600 MBps write speeds, plus 4800 TBW endurance

  • Max Sequential ReadUp to 7200 MBps
  • Max Sequential WriteUp to 6600 MBps
  • 4KB Random ReadUp to 1,200,000 IOPS
  • 4KB Random WriteUp to 1,200,000 IOPS
  • Terabytes Written (TBW)4800TB
  • MTTF1.75M Hours

Options 8TB SN850X w/ Heatsink

  • Up to 7200 MB/s sequential read cuts game load times
  • 8TB capacity stores a large library without deleting titles
  • Integrated heatsink sustains peak speeds during extended sessions
  • 4800 TBW endurance rating supports heavy write workloads
  • 75 million hours MTTF indicates long-term reliability

WD_BLACK SN850X 8TB NVMe SSD

The WD_BLACK SN850X is an 8TB internal solid-state drive built for gaming PCs and workstations that demand maximum throughput. It uses a PCIe 4.0 x4 interface with NVMe protocol and includes an integrated heatsink to sustain performance during extended sessions.

PCIe 4.0 x4 interface with NVMe protocol

This drive connects through an M.2 2280 slot using four lanes of PCI Express 4.0. The NVMe protocol unlocks sequential reads up to 7200 MBps and writes up to 6600 MBps, with 4KB random read and write performance reaching 1,200,000 IOPS.

8TB capacity with 4800 TBW endurance

The 8TB NAND array provides space for large game libraries and creative workloads without constant uninstalling. A 4800 TBW rating and 1.75M hour MTTF indicate ample write headroom, while the heatsink helps manage thermals up to the 85°C operating limit.

Pontos fortes

  • Up to 7200 MB/s sequential read cuts game load times
  • 8TB capacity stores a large library without deleting titles
  • Integrated heatsink sustains peak speeds during extended sessions
  • 4800 TBW endurance rating supports heavy write workloads
  • 75 million hours MTTF indicates long-term reliability

Especificações

Max Sequential ReadUp to 7200 MBps
Max Sequential WriteUp to 6600 MBps
4KB Random ReadUp to 1,200,000 IOPS
4KB Random WriteUp to 1,200,000 IOPS
Terabytes Written (TBW)4800TB
MTTF1.75M Hours
HeatSinkwith HeatSink
Form FactorM.2 2280
Capacity8TB
InterfacePCI-Express 4.0 x4
ProtocolNVMe
Cache8GB DRAM
Power Consumption (Active)Average Active Power: 130mW
Maximum Operating Power: 8W
Power Consumption (Idle)PlayStation: 5mW
Max Shock Resistance1,500G @0.5 ms half sine
Max Vibration ResistanceOperating Vibration: 5 gRMS, 10-2000 Hz, 3 axes
Non-operating Vibration: 4.9 gRMS, 7-800 Hz, 3 axes
Operating Temperature32°F to 185°F (0°C to 85°C)
Storage Temperature-40°F to 185°F (-40°C to 85°C)
BrandWestern Digital
SeriesBlack
ModelSN850X
Part NumberWDS800T2XHE
Used ForConsumer
FeaturesGain the ultimate gaming edge
Insane speeds up to 7,300MB/s (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 8TB 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 Da
Height10.31mm
Width24.46mm
Depth80mm
Weight30.4g
Peso de envio0.07 kg
Dimensões da embalagem130 × 102 × 95 mm

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Perguntas sobre este artigo

What does the 7,200 MB/s sequential read figure mean once the drive is installed in a PC or PS5?

The 7,200 MB/s sequential read speed is the peak throughput the controller can deliver over a PCIe 4.0 x4 link. Real-world game load times will be lower because they depend on file sizes, queue depth, CPU decompression and the host platform's own I/O stack.

How does the PCIe 4.0 x4 interface cap performance in practice?

A PCIe 4.0 x4 connection provides a theoretical ceiling of roughly 8 GB/s, so the drive's 7,200 MB/s read and 6,600 MB/s write ratings sit close to that limit; you will not exceed those numbers on a PCIe 4.0 slot, and a PCIe 3.0 slot would roughly halve the maximum throughput.

What physical space and mounting does the M.2 2280 form factor with heatsink require?

The drive is 22 mm wide and 80 mm long (2280) and includes a pre-attached heatsink that adds height; ensure your motherboard or PS5 expansion slot has clearance for a double-sided M.2 module with a heatsink and uses a standard M.2 screw for securing it.

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