The HTS547575A9E384 HGST 750 GB 2.5" 5400 RPM SATA Hard Disk Drive HDD is a silver internal laptop drive with a storage capacity of 750 GB. It is compatible with laptops, PCs, and Macs, and features a SATA III interface. The drive has a removable feature and a cache size of 8MB, making it a reliable choice for storing large amounts of data for various computing needs. With its compact 2.5-inch form factor and HGST brand reputation, this hard disk drive is a dependable option for expanding storage capacity in different devices.