Silicon Power 8GB Touch 850. Capacity: 8 GB, Interface type: USB 2.0, Form factor: slide. Width: 16.4 mm, Depth: 6 mm, Height: 31.6 mm. Mac operating systems supported: Mac OS 9.0, Mac OS 9.1, Mac OS 9.2. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -40 - 85 °C. Packaging type: Blister