Western Digital Black SN850 2Tb SSD tech review
Should you buy Black SN850 (2Tb) produced by Western Digital and extra specs explore in our article.
Western Digital's 2Tb Black SN850 SSD use SanDisk 8-Channel controller. The drive write a data location map on Dynamic-Random Access Memory DDR4 to launch a programs faster. The Black SN850 comes equipped with 96L Bics4 memory. SSD is offered also in 1 Tb and 500 Gb capacities.
Performance and benchmarks
SSD works on PCIe M.2 4.0 x 4 bus with sequential write speeds 5100 MB/s, and read speeds 7000 Mbps. Black SN850 has input/output performance 710000 on writing and 1000000 on reading operations.
Endurance and warranty
Manufacturer give 5 years warranty limited by endurance 900 TBW. The Black SN850 has 1.75 million hours MTBF.
Specs
| Category | Value |
| Capacity | 2 Tb |
| Interface | M.2 4.0 x 4 |
| Controller | SanDisk 8-Channel |
| Memory type | 96L Bics4 |
| DRAM | DDR4 |
| Read speed (Mb/s) | 7000 |
| Write speed (Mb/s) | 5100 |
| Read IOPS | 1000000 |
| Write IOPS | 710000 |
| Endurance (TBW) | 900 |
| MTBF (million hours) | 1.75 |
| Warranty (years) | 5 |
Conclusion
Western Digital Black SN850 2Tb support PCIe 4 that is significantly faster than PCIe 3.0. The sequential write speed is 5100 Mbps, that is faster than has other rivals. The NVMe SSD can write 900 TBW, that is bad in comparison with closest rivals. Overall, our editor highly recommend to buy Western Digital Black SN850 2Tb for your PC.
+ Pros
- Excellent writing speed
- PCIe 4.0
- Capacity
- Cons
- Writing speed
Buy this or similar SSD:
Video Review
WD Black SN850 NVMe M.2 SSD - it's toasty!
