Feature: 1. Reduce load: This USB riser powered adapter card has 4 PIN and two 6 PIN graphics card interfaces, which provide power independent of the graphics card and reduce the load on the motherboard. 2. USB3.0 Cable: This USB riser powered adapter board adopts 60cm USB3.0 cable as extension cable, which ensures higher safety and efficiency. 3. Considerate design: The slot is equipped with a fixed buckle to facilitate the demolition of graphics and fixed graphics card, so that the card will not fall out of the slot. 4. Wide Compatibility: This USB riser powered adapter card is compatible with PCIE 1x, 4x, 8x, 16x slots on motherboard. Suitable for Win, for LINUX and for OS wear and increases conductivity. Specification: Item Type: PCIE Riser 1X to 16X Graphics Extension Material: PCB USB cable length: 60cm Power cable length: 20cm Color: Red Conversion card interface: 4Pin + 6Pin interface for two graphics cards (direct differently) + USB3.0 1. No drivers are required. This adapter kit is compatible with 1x, 4x, 8x and 16x PCI-e slots on the motherboard. Suitable for Win, for LINUX and for OS X systems. 2. Perfect for installing Ethereum mining equipment. 3. The slot is equipped with a fixed buckle, which is convenient for removing the graphics card and the fixed graphics card, and the graphics card will not fall out of the slot. 4. The power cord is made of pure copper wire, which can resist oxidation and rust and avoid wire burns at work. Package List: 1 xPCIE Riser 1X to 16X Graphics Extension 1 x Power Line 1 x USB Connection Line 1 x PCIE Interface Card