Western Digital Black SN850X 1Tb NVMe SSD specifications
How fast is the Western Digital Black SN850X 1Tb and another characteristics explore on this site.
Black SN850X (1Tb) produced by Western Digital works on SanDisk 20-82-20035 controller. This storage has Dynamic-Random Access Memory LPDDR4 for mapping data, located on the NVMe SSD. The Black SN850X comes equipped with 112L Bics5 flash memory. Western Digital Black SN850X besides, available in 4 Tb and 2 Tb capacities.
Performance and benchmarks
Western Digital Black SN850X use PCIe M.2 4.0 x 4 bus with read speeds 7300 Mbps, and sequential write speeds 6600 MB/s. It also has input/output performance 1200000 on writing and 1200000 on reading operations per second.
Endurance and warranty
Manufacturer give 5 years warranty period limited by endurance 2400 Total Bytes Written.
Specs
| Category | Value |
| Capacity | 1 Tb |
| Interface | M.2 4.0 x 4 |
| Controller | SanDisk 20-82-20035 |
| Memory type | 112L Bics5 |
| DRAM | LPDDR4 |
| Read speed (Mb/s) | 7300 |
| Write speed (Mb/s) | 6600 |
| Read IOPS | 1200000 |
| Write IOPS | 1200000 |
| Endurance (TBW) | 2400 |
| MTBF (million hours) | n/a |
| Warranty (years) | 5 |
Conclusion
Western Digital Black SN850X 1Tb use PCIe 4.0 that is twice faster than PCIe Gen3. The maximum write speed is 6600 Mb/s, that is faster than has other rivals. The NVMe provide possibility to write 2400 TBW, that is simply marvellous against rivals. When everything is weighed in the balance, we advise to buy Western Digital Black SN850X 1Tb for your PC.
+ Pros
- Excellent writing speed
- PCIe 4.0
- Capacity
- Endurance
- Cons
- None
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Video Review
WD Black SN850X SSD Review
