Addonics ZESU3CS. Hard drive interface: USB 3.0, USB 1.1, eSATA. Compatible operating systems: Windows 98SE, Me, 2000, XP, DOS, Linux (Kernel 2.4 and above), Solaris 8, Mac OS X 10.4.x. Operating relative humidity range: 5 - 95 %, Operating temperature range (T-T): 5 - 40 °C, Storage temperature range (T-T): -30 - 60 °C. Colour of product: Grey. Weight: 0.979 kg, Width: 258 mm, Depth: 168 mm