DescriptionIf you are looking for a professional and affordable PCI-E to USB converter card, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Color: Black-Material: PP, aluminum alloy -Size: 12.00X7.00X2.00cm/ 4.72X2.75X0.79in- This product uses PCI-E interface for direct power supply, no external power supply is required. - The motherboard adopts PCI-E interface, and the direct power mode does not require an external power supply, so the motherboard power supply will not be affected by external interference. - Stable contacting and transmission, not easy to lose data, ensure stable and safe data transmission. - This product can solve the lacking of PCI-E interface of the motherboard, and this product can be expanded to 4 PCI-E interfaces. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.