Transcend Expansion card PCIe 2.0 - 2 x external USB3.0

The Expansion Card's PCI Express 2.0 x1 connection interface is compatible with virtually all current motherboards, and guarantees unrestricted two-way communication between your PC and any USB devices you plug into the card. With two SuperSpeed USB 3.0 ports, which have bandwidth up to 5Gb/s, Transcend's USB 3.0 Expansion Card is ideal for use with USB 3.0 high-capacity external storage devices, such as external hard drives and USB flash drives. Features: Add USB 3.0 ports to any desktop computer with a PCI Express slot Connection bandwidth up to 5Gbits per second (in USB 3.0 mode) Ultra-fast PCI Express interface eliminates speed bottlenecks Installs easily in any PCIe slot, including x1 and x16 slots Backwards compatible with USB 2.0 and USB 1.1 devices Supports PCI bus power management interface rev. 1.2 Operating System Supported: Windows 7, Vista, XP Compact size saves space and inside your PC Fully compatible with PCI Express 2.0 Two external USB 3.0 ports xHCI complian Dimensons (PCB size): 80 x 69 mmWeight: 47 g Type USB3.0 - PCIe Card USB 3.0 2x PCIe 1x