Wiebetech ToughTech FS Mini. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA. Cables included: eSATA. Compatible operating systems: Windows 2K, XP, Vista, Mac OS X, Linux. Operating relative humidity range: 5 - 95 %, Operating temperature range (T-T): 10 - 30 °C. Colour of product: Silver