HP 1TB 6G SATA 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive. Hard drive capacity: 1024 GB, Hard drive size: 88.9 mm (3.5 "), Hard drive rotational speed: 7200 RPM. Weight: 6 g, Height: 184.2 mm, Width: 26.4 mm