StarTech.com SATDUPUEEU. Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Server operating systems supported: Windows Server 2003, Windows Server 2008 R2. Input voltage: 110 - 240 V. Operating relative humidity range: 8 - 90 %, Operating temperature range (T-T): 5 - 80 °C. Dimensions (WxDxH): 70 x 80 x 16.3 mm, Weight: 45 g. Colour of product: Black