Supercharge Your NAS Boost your NAS systems performance and responsiveness with the WD Red SA500 NAS SATa SD. Since your NAS system is always on, a reliable drive is essential. Unlike standard SSDs, WD Red NAS SATa SDs are specifically designed and tested for 24/7 usage. This durability together with efficient caching of big files make these drives ideal for OLTP databases, multi-user environments, photo rendering, 4k and 8k video editing and other demanding applications. With 2.5 and M.2 form factors and capacities from 500GB up to 4TB (2.5 only), the WD Red SA500 NAS SATa SD lets you optimize your existing or next NAS system for superior performance and endurance. Access big files fast WD Red SA500 NAS SATa SD storage is optimized for caching in NAS systems to rapidly access your most frequently used content. Give it your tough workloads WD Red SSDs superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 4/7 environment. Work more efficiently Purpose-built for NAS with proven Western Digital 3D NAND, the WD Red SSD 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. Customize your NAS system The WD Red SSD comes in 2.5 and M.2 form factors so you can upgrade your existing NAS system or design a few one from scratch. Build with flexibility Customize your NAS to meet your most demanding storage needs with capacities ranging from 500GB up to 4TB (2.5 only).