What it can offer you is separately power supply of adapter card. So, the power supply of the graphics card is independent from the motherboard, which reduces the burden on the motherboard when multiple graphics cards are connected. Using 4 FP solid capacitors and anti-burn machine chip, it makes the graphics card power supply more stable and safe. It is made of good quality PCB material, durable to use. The graphics card slot adopts the original imported connector to make the graphics card contact better. The length of this product is 12.3cm, the width is 4.5cm and the height is 1.8cm. The PCI-E connector uses multi-layer shielded wires, which can be connected up to 3 meters without signal attenuation. The wire is relatively soft, easy to route, and the graphics card can be placed at will. It is suitable for GPU, mining. The slot is equipped with a fixed buckle, which is convenient to remove the graphics card and fix the graphics card, so that the graphics card will not fall off from the slot. Item Name: Riser Card Material: PCB System Support: for Linux / for xp / for win7, 8, 10 Features: Widely Use, Stable, Good Conductivity Size Details: Riser Card Size: 12.3cm x 4.5cm x 1.8cm/4.84" x 1.77" x 0.71" (Approx.) USB Cable Length: 60cm/23.6" (Approx.) Power Cable Length: 15.5cm/6.1" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x PCI-E Riser Card 1 x 6Pin Power Cable 1 x USB Cable 1 x PCI-E X1 Slot Board