Western Digital
Western Digital WD Blue SN550 250GB
The Western Digital WD Blue SN550 250GB is a solid-state drive using the NVMe protocol over a PCIe 3.0 x4 interface, offering 250 GB of storage without a DRAM cache.
The WD Blue SN550 250GB is a member of Western Digital's mainstream NVMe SSD lineup. It uses a proprietary WD 20-82-01008-A1 controller and TLC NAND flash memory. The drive connects via the M.2 2280 form factor and supports the PCIe 3.0 x4 interface. Sequential read speeds reach 2400 MB/s, while sequential writes top out at 950 MB/s. With a rated endurance of 150 TB total bytes written and a 5-year warranty, it is suitable for everyday computing tasks. This SSD is designed for laptops and desktops that have an M.2 slot supporting PCIe and NVMe.
Specifications
| Form factor unverified | M.2 2280 |
|---|---|
| Interface unverified | PCIe 3.0 x4 |
| Protocol unverified | NVMe |
| Capacity unverified | 250 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 | 950 MB/s |
| Total bytes written unverified | 150 TB |
| Warranty unverified | 5 years |