Features: Brand new and high quality Uses high-quality PCB board, high temperature resistance. 7 slots provide great expandability PCI-E slot power solution, no need for extra power cable Easy and convenient to install and fix Long-lasting use without deformation to ensure long-term stability. Uses gold immersion technology, good conductivity, anti-oxidation, ensuring good contact and improving data transfer speed. Specifications: Material: Metal + Plastic Bus Port: PCI-E 1x Number of Ports: 7 x USB 3.0 Main Chip: ASM1187E Supported Operating Systems: For DOS, For Linux, For Windows XP/7/8/10 Product Size: Approx. 122 x 120 x 70mm/4.8x4.72x2.75in Package Weight: 130g Note: This extender is applicable to the motherboard's PCI-E 1X slot; please connect the floppy disk power cable. When connecting the PCI-E extender, the computer must be powered off. The complete set of wires is customized; never use another cable to connect. Remember that! When connecting the cable, you must identify the direction, do not reverse or offset, prevent burning the equipment; connect the cable to the equipment socket first, then connect the cable, avoid breaking the pins in the socket if you press too hard. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Package includes: 1 x 1 to 7 PCI-E Riser Card