WD Black SN850X 8TB M.2 NVMe PCIe 4.0 x4 7200 MB/s - WDS800T2X0E (Boxed)
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.
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Discontinued
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| 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 capacity | 8 TB |
| SSD form factor | M.2 2280 |
| Interface | PCI Express 4.0 x4 |
| Feature | NVMe |
| Component for | PC |
| Read speed | 7200 MB/s |
| Write speed | 6600 MB/s |
| Random read (4KB) | 1200000 IOPS |
| Random write (4KB) | 1200000 IOPS |
| PCI Express interface data lanes | x4 |
| Windows operating systems supported | Windows 10, Windows 11 |
| TBW rating | 4800 |
| NAND Flash | Kioxia BiCS6 162-layer TLC |
| DRAM Cache | Yes (DDR4) |
| Controller | SanDisk 8-channel (Triton MP16+) |
| Width | 22 mm |
| Depth | 80 mm |
| Height | 3.8 mm (SSD only) |
| Operating temperature (T-T) | 0 - 85 °C |
| Warranty period | 5 year(s) |