Fixable PCI-E 16X to 1X Adapter Riser Cable Flex Flexible Extension Cable w/ SATA 15 Power Connector & Standard Profile Bracket Fixable board with 2 holes available on PCI-E 16X side to fix PCI-E 16X connector on motherboard for more convenient management for graphics card. Standard profile bracket available on PCI-E 1X side to fix PCI-E 1X connector for more stable installation. SATA 15 pin power connector available for more stable operation for graphics card while mining. One end is PCI-E 16X female and another end is PCI-E 1X male. Cable length: 25cm.