Western Digital Black SN770M
D Value PCIe 4.0 x4 M.2 500GB, 1TB, 2TB
The Western Digital Black SN770M is a value PCIe 4.0 x4 drive, DRAM-less (HMB), offered in 500GB, 1TB, 2TB.
Black SN770M SSD specifications
This Western Digital Black SN770M SSD spec sheet covers rated SSD speed, DRAM-less design, TLC NAND type, controller. Values are shown only where they are recorded in the source data.
InterfacePCIe 4.0 x4
Form factorM.2
ControllerWD 20-82-10081
NANDTLC, 112L
CacheDRAM-less (HMB)
Max sequential5150 / 4900 MB/s
Capacities & rated speed
| Capacity | Read MB/s | Write MB/s |
|---|---|---|
| 500GB | 5150 | 4900 |
| 1TB | 5150 | 4900 |
| 2TB | 5150 | 4900 |
Endurance (TBW/DWPD) for this drive is not recorded in our source data.