Western Digital 4TB WD Red SA500 NAS 3D NAND Internal SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s - WDS400T2R0A

Storage optimized for caching in NAS systems to rapidly access your most frequently used files.

Superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment.

Purpose-built for NAS with proven Western Digital 3D NAND to deliver maximum SATA performance to both home and business users.

Reduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more.

Available in 2.5” and M.2 form factors to fit the slots in modern NAS systems.