WD Blue SA510 2.5" SATA III 1TB

When comparing the 1TB WD Blue SA510 and the 1TB Samsung 870 EVO, both drives utilize the standard 2.5-inch form factor and SATA III interface, making them functionally compatible for most internal upgrades. Performance metrics show a slight edge for the Samsung, particularly in sequential write speeds (530 MB/s vs 520 MB/s) and better peak random read performance (98,000 IOPS vs 90,000 IOPS). Durability ratings are significantly different, as the 870 EVO offers a much higher Terabytes Written (TBW) limit of 600 TBW compared to the WD Blue's 400 TBW, suggesting greater longevity under heavy use. Additionally, the WD Blue uses faster SLC flash memory, while the Samsung uses 3D TLC, although the 870 EVO still pulls ahead in several key performance benchmarks. Overall, the Samsung 870 EVO presents a stronger package regarding sustained performance and expected lifespan.