Promise Technology SmartStor DS4600. Storage controllers: 0, 1, 5, 10. Disk drive: 88.9 mm (3.5 "), Serial ATA, Serial ATA II. System requirements: Windows 2000, XP, 2003, Vista X86/64, Linux/Unix, Mac OSX V10.4 and above. Environmental conditions: 10 - 85 %, 5 - 35 °C. Colour: Black. Weight & dimensions: 2500 g, 152.5 mm, 229.6 mm, 188.2 mm. Energy management: 90-100W w/ PFC, 100-230V, 50-60Hz AC