DescriptionThis PCI-E USB adapter is made of solid material, which can withstand long-lasting use. Features the aluminum alloy material, which has high durability, not easy to deform. Fine workmanship, ensures practicality.Features-Color:As Shown -Material:Aluminum alloy -Size:12.00X7.00X2.00cm/4.72X2.75X0.79in Mode: PCI-E x1 Compatible slots: PCI-E x1/x4/x8/x16 USB interface: 2 x USB 3.0 ports Transfer rate: USB 3.0, 5Gb/s - Upgrades desktop to USB 3.0 interface for faster data transfer. - Uses PCI-E interface for higher stability and better compatibility in use. - Supports multiple operating systems, easy installation, simply plug into PCI-E slot. - Can provide a secure and stable connection, preventing data loss and damages. - With fine workmanship, simple in design and very practical in use, easily win your favors.