Support 2.5 '/3.5' SATA HDD and SSD; 2.5 '/3.5' IDE HDD; DVD-ROM, CD-ROM, CD-RW, DVD-RW, DVD + RW Optical Drive. Dual-Head IDE Connector (40pin and 44pin) plus one SATA II Connector. Allow to operate three HDDs Simultaneously. Data transfer rates up to 5 Gbps, backward compatible with USB 2.0/1.1. Included 12V 2A power cable is for providing stable electricity supply. 4PIN Power Cable is designed for 3.5 IDE drive. Plug and play; Hot Swap; One Touch Backup function; On/Off Switch for HDD protection. LED light shows power and activity status. What we offer: USB 3.0 to IDE+SATA Adapter, USB 3.0 Cable, 4PIN Power Cable, Power Adapter, OTB Software CD, 24h customer email support.