Addonics MSXUDDEU. Size: 45.7 mm (1.8 "), Hard drive interface: Serial ATA. Interface: eSATA/USB 2.0. Compatible operating systems: Windows 98SE, Me, 2000, XP+ Linux+. Operating relative humidity range: 5 - 90 %, Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -40 - 85 °C. Colour of product: Black, Silver