Support USB2.0 port. USB1.1 compatible. Maximum data transfer rates up to 480Mbps Support up to maximum 500GB IDE hard disk Support hot-swappable (plug & play) Supports in Windows 98SE/2000/ME/XP and Mac OS 8.6 or above USB2.0 to IDE compliant or serial ATA Self power (power consumption +5V & +12V) Power input AC: 100-240V