Internal hard drive of type HGST Travelstar Z5K500 (model HTS( Phone number appears when clicking the contact button ) ), which is primarily designed for laptops and gaming consoles like PS4. Hard Disk Sentinel Hard Disk Sentinel +1 Technical Specifications This drive is a mechanical drive (HDD) characterized by its slimness and energy efficiency. Here are its most important specifications: eBay UK eBay UK Capacity: 500 GB. Rotation Speed: 5400 RPM. Interface Type: SATA III with a transfer speed of up to 6 Gb/s. Size: 2.5 inches, with a slim thickness of only 7 mm.