1. Support 4 ports 2.5/3.5inch SATA HDD 2. Support hot swap. Plug&Play 3. Material: Aluminum alloy ... 5 inch SATA HDD;2.Support hot swap,Plug&Play;3. With 2 ports USB2.0 HUB, 4 ports card reader, cansupport ... 98/SEMac OS 8.X-10.X Linux kernel 2.4 or above8.Accessory:USB2.0 cable,eSATA cable,Poweradaptor,User ... questions and inquiries. 4bay usb2.0 hdd enclosure support 2.5'' or 3.5'' hard disk drive