PCI-E Express 1X to 16X Riser Card Extender CableDescription :• Interface : PCI Express 1X Male and PCI-E 16X Female• 2 layer PCB board Design• High Quality Flex Ribbon Cable Riser Card. • No Driver necessary • Unit is not hot swappable. Cable length : 6 InchesNote : This unit can only get 1X band width from the PCI-E 16X slot for 4X, 8X and 16X devices.