•There are 2 screw holes at USB 3.0 Female end.
•Extends two additional 3.0 USB ports to the rear of your PC.
•Data transfer rate up to 5Gbps maximum
•Backwards compatible with USB 2.0/1.1
•No external power needed
•Plug and Play
•Supports Windows 2000/XP/VISTA/7/8/8.1.
Royal Mail 24: Free to all uk orders. (1-3 days)
Royal Mail Special delivery next day: £7.95 (next day)International orders:
Royal mail international tracked: £9.95 (7-14 working days)
DHL International Express: £26.95 (2-3 working days)