Due to different batches, there will be little differences in the surface of products it does not affect use PCI E X1 Adapter PCIe 1X to USB 3.0 Adapter for PCI Express Riser Mining BTC Miner Feature: The adapter has a 6-pin connector and 12V to strengthen the DC-DC power supply, so that the graphics card power supply is independent from the motherboard, thereby reducing the burden on the motherboard when multiple graphics cards are connected. Specification: Color: blue Note: Be sure to recognize the direction when plugging in, and don't plug it in reverse or offset position to prevent burning the equipment. When plugging in, first hold the socket of the device before plugging in, avoiding excessive force to insert the socket pins. There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. _x000D_