Converts an internal SATA + USB (Universal Serial Bus) port to an external backplate for use with power over e SATAp devices Supports SATA I & II transfer speeds of 1.5 Gbps & 3 Gbps Supports USB (Universal Serial Bus) speeds of up to 480 Mbps Provides 5V DC & 12V DC power for use with compatible external devices Supplied with internal power & USB (Universal Serial Bus) connection cables (30cm) 10 Year warranty For an external solution see 33690. This backplate adapter means that you can add an external power over e SATAp + USB (Universal Serial Bus) expansion slot into a PC or server.