Western Digital
Western Digital WD Blue SN550 1TB
The Western Digital WD Blue SN550 1TB is an M.2 2280 NVMe solid-state drive using PCIe 3.0 x4 interface and TLC NAND flash memory.
The Western Digital WD Blue SN550 1TB is an M.2 2280 solid-state drive that uses the NVMe protocol over a PCIe 3.0 x4 interface. It has a capacity of 1024 GB and employs TLC NAND flash memory. The drive uses a WD 20-82-01008-A1 controller and does not include a DRAM cache. It features a pSLC cache of approximately 12 GB to improve write performance. Sequential read speed is 2400 MB/s and sequential write speed is 1950 MB/s. The drive is rated for 600 TB total bytes written and comes with a 5-year warranty.
Specifications
| Form factor unverified | M.2 2280 |
|---|---|
| Interface unverified | PCIe 3.0 x4 |
| Protocol unverified | NVMe |
| Capacity unverified | 1024 GB |
| NAND type unverified | TLC |
| Controller unverified | WD 20-82-01008-A1 |
| DRAM cache unverified | No |
| Sequential read unverified | 2400 MB/s |
| Sequential write unverified | 1950 MB/s |
| Total bytes written unverified | 600 TB |
| Warranty unverified | 5 years |
| Notes unverified | pSLC cache: 12 GB approx. |