Feature: 1. PCI Express card with 2 USB3.0 interfaces, conforms to PCI Express system specifications. 2. Files can be transferred at a rate of 5Gbps when connected to USB3.0 devices. 3. Support USB hot plug and plug play function, support any USB device, including U disk, USB external hard disk, MP3, external optical drive, digital camera, camera, etc. 4. Affected card slots are PCI-E 1x, PCI-E 4x, PCI-E 8x, PCI-E16x, etc. 5. System applicable for Windows 2000/XP/VISTA/7/8/10/OS X/Linux and other systems Specifications: Item Type: PCI Express Card Model: STW-3002 Material: PCB Main Control Chip: For NEC Expansion port: 2 x USB3.0 and USB3.0 20PIN Port transmission rate: 5Gbps Suitable for computers: Desktops Applicable system: For Windows 2000/XP/VISTA/7/8/10/OS Linux and other systems Applicable Card slots: PCI-E 1x, PCI-E 4x, PCI-E 8x, PCI-E16x, etc. Package List: 1 xPCI Express Card 1 x Driver CD 1 x Screw