ITEM NAME:PCI-E USB3.0 cable mining dedicated mining 16X line length 60CM Highter Qu #gib Store Home Promotion Hot Item Add to Fav.USB3.0 kabel. PCI - E 1 x riser bord. This extension is motherboard PCI - E slot (1 x, 2 x, x 8 x 16 x 4). Welding fragile burns transmission signal attenuation, train, line length is not enough, and so on.