WD Red SA500 WDS400T2R0A 4 TB Solid State Drive - 2.5" Internal - SATA (SATA/600)

The Power of Red Comes to SSD

Boost 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.

Supercharge your NAS

Durability together with efficient caching of big files make the WD Red™ SA500 NAS SATA SSD ideal for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing and other demanding applications.

Access big files fast

WD Red™ SA500 500 GB SSD 2.5 inch SSD storage is optimized for caching in NAS systems to rapidly access your most frequently used content. 

Give it your tough workloads

WD Red™ SSD's superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment. 

Work more efficiently

Purpose-built for NAS with proven Western Digital® 3D NAND, the WD Red™ NAS Solid State Drive delivers maximum SATA performance to boost your productivity and effectiveness at home or in the office.

Use it for your demanding applications

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

Build with flexibility

Customize your NAS to meet your most demanding storage needs with capacities ranging from 500GB up to 4TB.

• With 4 TB capacity you have ample space for storing millions of images, hundreds of hours of video or for music lovers, up to a million songs


• With the high-write speed of 520 MB/s, get a quick response when updating or transferring files


• Have data stored faster with SATA/600 interface that optimizes burst performance