Features: 1.With power cord and USB 3.0 cable, mining priority, stable and anti?burn, safer, more efficient, and more practical 2.The graphics card power supply uses three solid capacitors to make the graphics card power supply more stable and safe 3.Use Serial ATA 15pin to 4pin power cable to strengthen power supply, so that the graphics card power independent of the motherboard, so that multiple cards reduce the burden on the motherboard 4.Compatible with 1x, 2x, 4x, 8x, 16x cards, 1?16X and 16?16X can be used, and the cable is relatively soft, easy to route, put the graphics card where you want to put it 5.The graphics card slot adopts the original connector to make the graphics card contact better specification:ItemType: PCI?E Riser Adapter Interface: USB3.0, Big 4PIN Adapter Board: PCI-E 1X, USB3.0 Compatible Motherboard: 1X, 4 X, 8 X, 16X PCI-E Slot Motherboard PackageList: 1 x PCI-E 16X Adapter 1 x PCI-E 1X Adapter Board 1 x USB3.0 Cable ( 30cm / 11.8in ) 1 x SATA15Pin-4Pin Power Cord