It is rather quiet about high speed 480mbps. :?
On the other hand this one, which is £1 more, covers it all:
http://www.amazon.co.uk/gp/product/B002LPVO66/ref=s9_simh_gw_p23_i1?pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=center-1&pf_rd_r=1999WAFS0282S7J6KC02&pf_rd_t=101&pf_rd_p=467198433&pf_rd_i=468294