Hypertec 8GB FipsEnCrypt FIPS 140-2 Level 3 256Bit. Capacity: 8 GB, Interface type: USB 2.0. Width: 21.5 mm, Depth: 76 mm, Height: 12.5 mm. Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -20 - 70 °C