Use a 30cm USB 3.0 cable as an extension cable, high quality and super fast speed. With 10x FP solid capacitors, the power supply of the graphics card is more stable and safe.Gold-plated contacts for better connectivity and longer service life.No need to drive. Compatible with 1x, 2x, 4x, 8x, 16x PCI-E slots of the motherboard.There are 12 LED lights on the main board and 1 LED light on the 1X chip board. Led can help miners better monitor faults, very convenient, fast and stable Power is supplied through two different 6-pin inputs on the riser.1. Newest VER0122. No driver required3. Dedicated to Bitcoin Miningcolour: blackMaterial: ABS+metalSize: 124x46mmPackage Contents:4 x PCI-E 16X card4 x PCI-E 1X cards4 x Power cord4 x USB3.0 cable4 x PCI-E 1X Card HolderOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.