Biwin 512GB Cache SSD 2.5" 7mm SATA III 6Gb/s Internal Solid State Drive with Read (Max) 561 MB/s for Laptop Desktop All-in-one PC POS Server Faster--improves speed of loading applications and system boot up. Reliable--with no moving parts, solid-state drives are less likely to fail than traditional hard drives. Convenient--all-in-one kits are available with all the components needed for a fast and easy installation. Economical--design is optimized to make migrating to an SSD more affordable. Silent--runs silent and cool.