Very suitable for installing Ethereum mining equipment. No driver is required. The 4 holes on the riser clamp are used for installation. Use LED indicators and fuses on the circuit board. The graphics card power supply uses 8 solid capacitors to make the graphics card power supply more stable and . 6PIN interface makes the graphics card of the motherboard to reduce the load on the motherboard. This reduces the burden on the motherboard when connecting multiple graphics cards. The PCI-E connector uses multi-layer shielded cables, which can be connected to a maximum of 3Meter without attenuating the signal. The USB cable is soft and stable, easy to route, and the graphics card can be placed at will. The card slot is equipped with a fixing buckle, which makes it easier to remove the graphics card and fix the graphics card, and the graphics card will not fall off from the slot. The power cord uses pure copper wire to avoid during use. Colour: black + red Material: PCB + metal Package Contents: 5 x 16X adapter cards 5 x 1X adapter cards 5 x USB cables 5 x SATA power cables Only 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.