Samsung HD400LD - Ultra ATA 400GB Hard Drive, Spinpoint T. Hard drive interface: Ultra-ATA/100, Hard drive capacity: 400 GB, Hard drive size: 8.89 cm (3.5"). Width: 10.16 cm, Height: 2.54 cm, Depth: 14.605 cm. Compatibility: PC, Drive device, transfer rate: 133 MB/s