Kingston Technology 32GB R400, DataTraveler. Capacity: 32 GB, Interface type: USB 2.0, Form factor: cap. Width: 70 mm, Depth: 12.40 mm, Height: 22.68 mm. Mac operating systems supported: Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion. Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -20 - 85 °C