pBoost your SSD NAS system’s performance and responsiveness with the WD Red SA500 NAS SATA SSD. Your NAS system is always on, making a reliable drive essential. Unlike standard NAS SSDs, WD Red NAS SATA SSDs are specifically designed and tested for 24/7 usage.. bFeatures /b ul liEndurance of up to 2500TBW; liIdeal for caching in NAS systems to rapidly access your most frequently used files; liReduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more; /ul bSpecifications /b ul li bCapacity: /b 4TB; li bForm Factor: /b 2.5-Inch; li bSequential Read Performance: /b 560MB/s; li bWeight: /b 0.15 lbs; /ul.