Designed for home and medium to large NAS environments, the 4TB Red SA500 SATA III 2.5" Internal NAS SSD from WD will boost your system's performance and responsiveness. Specifically designed for 24/7 usage, its durability and efficient caching of large files makes this drive suitable for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, virtualization, and other demanding applications.
WD's Red SA500 features a storage capacity of 4TB, an 2.5" / 7mm form factor, and a SATA III 6 Gb/s interface that is backward compatible with SATA II 3 Gb/s and SATA I 1.5 Gb/s. Other technical features include sequential read speeds of 560 MB/s, sequential write speeds of up to 530 MB/s, and a TBW (Terabytes Written) rating of 2500TB. Reliability is further increased with 1 in 1017 non-recoverable read errors per bits read and an MTTF (Mean Time to Failure) rating of 2 million hours.