ITEM NAME:USB 3.0 PCI-E Express 1x to 16x Extender Riser Card Adapter SATA Power Cabl #gib Store Home Promotion Hot Item Add to Fav.1 x PCI-E 16X adapter. 1 x PCI-E 1X riser board. Power Connector: Sata 15 pin power cable. This extension is applicable to the mainboard PCI - E slot (1 x 2 x, 4 x 8 x 16 x). When plug PCI - E extension must be computer broken wires plug again.