Use a 30cm USB 3.0 cable as an extension cable, high quality and super fast speed. With 10x 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 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.