WD Black NVMe SSD | Samsung 970 EVO | |
Capacity | 250GB | 250GB |
Interface | PCIe 3.0 x4 | PCIe 3.0 x4 |
Controller | WD in-house | Samsung Phoenix |
NAND | SanDisk 64-layer 3D TLC | Samsung V-NAND 3bit MLC |
Cache | SK Hynix DDR4 | Samsung LPDDR4 |
Seq. read | 3,000MB/s | 3,400MB/s |
Seq. write | 1,600MB/s | 1,500MB/s |
Endurance | 200TB | 150TB |
Warranty | 5yr | 5yr |
Price | $85 | £72 | $88 | £67 |