2.5-inch SATA SSDs
Western Digital WD Red SA500 4TB 2.5-inch SATA SSD
Why choose it
Choose this 4TB SA500 for a NAS with a compatible 2.5-inch SATA bay when its supported-drive list includes this exact model. Match capacity to the space you need in each bay.12 Its 2,500TB rated write allowance uses a mixed sequential and random workload; read that condition when comparing endurance. The five-year limited warranty follows regional terms.13
The details
Specifications
Core specifications8
| Capacity | 4,000 GB1 |
|---|---|
| Flash type | Tlc3 |
| Write endurance | 2,500 TB (Test method: Mixed sequential and random workload for the 2.5-inch 4TB model)3 |
| Warranty | 5 years (Workload: Limited warranty; regional terms apply.)1 |
| Sequential read speed | 560 MB/s (Test method: Manufacturer-stated maximum for this capacity; internal testing, with performance varying by host device, usage conditions and drive capacity.)1 |
| Sequential write speed | 520 MB/s (Test method: Manufacturer-stated maximum for this capacity; internal testing, with performance varying by host device, usage conditions and drive capacity.)1 |
| Random read speed | 87,000 IOPS (Test method: Manufacturer-stated maximum for this capacity; internal testing, with performance varying by host device, usage conditions and drive capacity.)1 |
| Random write speed | 83,000 IOPS (Test method: Manufacturer-stated maximum for this capacity; internal testing, with performance varying by host device, usage conditions and drive capacity.)1 |
More specifications1
| Interface | SATA III2 |
|---|