VANTEC NexStar HX4R NST-640S3R-BK Aluminum / Plastic 3.5 Black SATA I/II/III USB 3.0 & eSATA Quad Bay RAID HDD Enclosure AC Adapter: Yes Material: Aluminum / Plastic Dimensions: 8.23 x 6.7 x 7.13 Fan: 80 mm Number of Bay: 4 Operating Systems Supported: Microsoft Windows XP, Vista & 7 Mac OS X v10.4 and Up Weight: 6
