Product description buffalo ministation ssd pusu3 solid state drive 240 gb usb 31 gen 2 type solid state drive external portable capacity 240 gb nand flash memory type triple level cell tlc interface usb 31 gen 2 data transfer rate 100 gbps usb 31 50 gbps usb 30 480 mbps usb 20 features shock resistant bus powered by usb apple time machine compatible aluminium enclosure software encryption power source usb bus enclosure colour silver