Western Digital Black SN770
D · Value PCIe 4.0 x4 M.2 250GB, 500GB, 1TB, 2TB
The Western Digital Black SN770 is a value PCIe 4.0 x4 drive, DRAM-less (HMB), offered in 250GB, 500GB, 1TB, 2TB.
Specifications
InterfacePCIe 4.0 x4
Form factorM.2
ControllerSanDisk 20-82-10081-A1 (Polaris MP16+)
NANDTLC · 112L
CacheDRAM-less (HMB)
Max sequential5150 / 4900 MB/s
Capacities & endurance
| Capacity | Read MB/s | Write MB/s | TBW | DWPD | Warranty |
|---|---|---|---|---|---|
| 250GB | 5150 | 4900 | — | — | — |
| 500GB | 5150 | 4900 | — | — | — |
| 1TB | 5150 | 4900 | — | — | — |
| 2TB | 5150 | 4900 | — | — | — |
Similar Value drives
Ratings and tier are from the community SSD database (Gabriel Ferraz / borecraft). Independent testing and open reliability data are being layered in.