Upgrade your PC with this high-performance USB 3.0 PCI-E Expansion Card! **Universal Compatibility:** Fully compliant with the Universal Serial Bus 3.0 standard. **Blazing Fast Speeds:** The USB 3.0 interface offers a transfer rate of up to 5 Gbps, and is backward compatible with USB 2.0/1.1. **Simultaneous Connections:** Connect up to 4 USB devices simultaneously. **External Device Power:** The USB interface provides 5V 2A power for external devices. **No Extra Power Needed:** With two power modes, no additional power supply is required. **Specifications:** * Model: PCI-E -USB3.0 -T4B * Chipset: for Nec-chip * Interface Type: PCIE * Port: 4 USB 3.0 ports * Size: approx. 120 x 85 x 70 mm / 4.7 x 3.3 x 2.75 inches * Power: 5V 2A * Support: Linux/for Windows XP/7/8/8.1/10 **Package Includes:** 1 PC x 4 Port USB 3.0 PCI Express Card. *Note: Please allow 1-3mm error due to manual measurement. Colors may vary slightly due to different displays. Thank you for your understanding.*