Fixable PCI-E 16X to 1X Adapter USB3.0 USB 3.0 Riser Cable Flex Flexible Extension Cable w/ Molex 4 Pin Power Connector Fixable board with 4 holes available on PCI-E 16X side to fix PCI-E 16X connector on motherboard for more convenient management for graphics card. Thin and fast USB 3.0 cable available to connect PCI-E 1X and PCI-E 16X sides for more easier installation and faster data transfer for graphics card. Molex 4 pin power connectors 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. USB cable length: 50cm. Version 006/Version 003 are identical in function. Cable colors may vary.