Brand FebSmart Hardware Interface PCIE x 8, PCIE x 1, PCIE x 4, PCIE x 16 Item Dimensions LxWxH 5.12 x 0.14 x 0.71 inches Style VER006C-6PCS Item Weight 0.05 Pounds About this item 1.Feb Smart VER006C high performance PCI Express riser can extend the mother board PCIE X1 slot to PCIE X16 slot. Will provide a safe and reliable connectivity with more PCIE X16 graphic cards. Will be mainly used on Ethereum Mining rigs or GPU Mining rigs. 2. Designed 3X high performance solid capacitors,1X voltage transformer and 1X Inductance to make sure voltage and current supply stable. Build in electric circuit protector keep device away from over current, over heat and over voltage. 3. Packed 23.6-inch USB 3.0 extension cable for flexible Graphic card connectivity. Equipped 15Pin SATA to Molex 6Pin power cable provide adequate current for miner rigs GPUs. 4. Simple extend PCI Express X1 slot from mother board to PCI Express X16 slot for heavy GPUs. Added fixed buckle on the PCI Express X16 slot ensure stable GPU connection. 5. Excellent choice for mining rigs. Buy with 30 days warranty. WARNNING:If the PCIE X1 Connector Inserted Reversely, May Damage the Connected GPUs or PCIE Slots.