Apricorn Aegis Padlock DT 3TB. Hard drive capacity: 3000 GB, Hard drive interface: USB 3.0, Hard drive size: 88.9 mm (3.5 "). Data transfer rate: 5000 Mbit/s, USB data transfer rates: 5000 Mbit/s. Input voltage: 12 V. Width: 114.3 mm, Depth: 182.9 mm, Height: 38.1 mm. Operating shock: 300 G