Two for one the ib ac7032 u3 for two 2 5 sata hdds or ssds consists of an adapter for 1x sata iii hddssd to usb 3 0 and a plastic enclosure for the adapter and two hddsssds use the usb 3 0 interface to connect the adapter directly to a computer multi media player or the like and your data transfer can reach up to 5 gbits fast data transfer the ib ac7032 u3 can achieve up to 5 gbits with usb 3 0 this means fast data transfer and reliability the adapter supports hot swap and plug and