500GB Red SA500 SATA 2.5in NAND Int SSD Boost your NAS systemís performance and responsiveness with the WD Red SA500 NAS SATA SSD. Your NAS system is always on, making a reliable drive essential. Unlike standard SSDs, WD Red NAS SATA SSDs are specifically designed and tested for 24/7 usage. Their endurance and efficient caching makes them ideal for demanding applications. 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 2.5in and M.2 form factors and capacities from 500GB up to 4TB1 (2.5in only), the WD Red SA500 NAS SATA SSD lets you optimise your existing or next NAS system for superior performance and endurance.