Western Digital
Western Digital WD Blue SN550 500GB
The Western Digital WD Blue SN550 500GB is an M.2 2280 NVMe solid-state drive designed for mainstream computing.
The Western Digital WD Blue SN550 500GB is a PCIe 3.0 x4 NVMe SSD in the M.2 2280 form factor. It uses TLC NAND flash and a WD 20-82-01008-A1 controller. The drive does not include a DRAM cache, relying on host memory buffer for its mapping tables. Sequential read and write speeds are rated at 2400 MB/s and 1750 MB/s, respectively. The total bytes written endurance is 300 TB, and it carries a 5-year warranty. This SSD is suitable for use as a primary storage device in desktops and laptops that have an M.2 slot supporting PCIe 3.0 x4 NVMe drives.
Specifications
| Form factor unverified | M.2 2280 |
|---|---|
| Interface unverified | PCIe 3.0 x4 |
| Protocol unverified | NVMe |
| Capacity unverified | 500 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 | 1750 MB/s |
| Total bytes written unverified | 300 TB |
| Warranty unverified | 5 years |