Head to head
Samsung 870 EVO 2TB vs Western Digital WD Red SA500 4TB 2.5-inch SATA SSD
Our pick
Samsung 870 EVO 2TB
2.5-inch SATA SSDs
Why this one
What Western Digital WD Red SA500 4TB 2.5-inch SATA SSD offers
Western Digital WD Red SA500 4TB 2.5-inch SATA SSD: capacity 4,000 GB.2
2 models / at a glance
Key differences
What differs
| Specification | Samsung 870 EVO 2TB | Western Digital WD Red SA500 4TB 2.5-inch SATA SSD |
|---|---|---|
| Capacity | 2,000 GB1 | 4,000 GB2 |
More details
| Specification | Samsung 870 EVO 2TB | Western Digital WD Red SA500 4TB 2.5-inch SATA SSD |
|---|---|---|
| Flash type | Tlc1 | Tlc3 |
| Write endurance | 1,200 TB1 | 2,500 TB (Test method: Mixed sequential and random workload for the 2.5-inch 4TB model)3 |
| Warranty | 5 years1 | 5 years (Workload: Limited warranty; regional terms apply.)2 |
| 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.)2 |
| 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.)2 |
| 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.)2 |
| 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.)2 |
| DRAM cache | 2 GB1 | — |