It's exactly what you need if you're going to connect SATA hard drives, CD-ROM, combo drives, or DVD-RW drives to a PC with a USB 2.0 interface. BT-370 comes with an AC adapter to supply your external power. Whether your system is ready for SATA, BT-370 is ready for you to connect your Sata, Slim or Micro Sata drive via USB 2.0. - USB 2.0 to 3 in 1 SATA adapter, support Sata (7+15Pins), Slim Sata (7+6Pins) & Micro Sata (7+9Pins) - Support SATA HDD up to 2000GB(2TB) - Connect any SATA device to a PC with USB interface - Supports Slim SATA CD-ROM/R/RW DVD-ROM and more - Support SATA 1.5G/3.0G Speed - Transfer rate of Hi-speed USB 2.0 Approx. 480 MBps (Max) - Support Plug & Play and hot-swap functions - Supports LEDS for power and bus activities indication - Support One Touch File Backup (FREE software included) - Easy to Install