This PCI-E Flex Ribbon 1X to 16X Riser Card Adapter Extension Cable with Power Supply is an essential necessity when you are building a Bitcoin or Litecoin mining rig so that your motherboard will not get burnt out. It is used by Bitcoin and Litecoin miners to rise the important graphics cards from their motherboard and space them out better for cooling and to enable more GPUs to be used. It also allows you to connect your graphics card to any 1x， 2x， 4x， 8x and 16x PCI-E slots to make use of those slots you wouldn’t normally be able to use. By connecting your graphics card to the riser then to the power supply via a molex connector， you can take the strain off the motherboard and prolong its life. Great for adding GPUs to a gaming machine or Bitcoin mining rig when you are out of 16x slot. Your best choice!                                    Features            An essential necessity when you are building a Bitcoin or Litecoin mining rig so that your motherboard will not get burnt outIt is used by Bitcoin and Litecoin miners to rise the important graphics cards from their motherboard and space them out better for cooling and to enable more GPUs to be usedAllow you to connect your graphics card to any 1x， 2x， 4x， 8x and 16x PCI-E slotsBy connecting your graphics card to the riser then to the power supply via a molex connector， you can take the strain off the motherboard and prolong its lifeGreat for adding GPUs to a gaming machine or Bitcoin mining rig when you are out of 16x slot                                                            Specifications            Brand    Neutral    <br>Material    PVC    <br>Type    Tieline    <br>Interface    PCI-E    <br>Line Length    21.4 cm    <br>The Section Chief    26.5 cm7. Weight: 1.48 oz /42 g     <br>                                                            Package Includes            1 xPCI-E 1X to 16XAdapter<br>