Features: PCI-E 2.0 standard, VL805, AX88179 high performance chip. Expanded 3 high-speed USB 3.0 interfaces and one Gigabit network interface. Automatically adapt to 10/100/1000Mbps rate: Support full-duplex, half-duplex working mode. PCI-E bus interface: Compatible with Gigabit Ethernet card. Support multiple network operating systems: Can provide higher performance than previous PCI network cards, lower CPU usage, and better compatibility. USB3.0: Transfer rate can reach 5Gbps, and backward compatible with USB2.0/1.1. USB3.0 interface provides ultra-powerful power supply of 5V900MA - Sufficient and stable power supply. Support hot swap, plug and play - More safe and convenient. Big four PIN power supply - Power supply is sufficient and stable to ensure the stable operation of the equipment. Low power consumption, environmentally friendly and energy-saving products - Low heat and stable operation. Support for systems such as for Window XP/VISTA/Windows 7. Specification: Material: ABS color: blue Expansion interface: USB3.0 x3 (external) + Gigabit network interface x1 Applicable interfaces: PCI-E 1x, PCI-E 4x, PCI-E 8x, PCI-E16x Package List: 1 * Expansion card 2 * Disc 1、PCI-E 2.0 standard, VL805, AX88179 high performance chip. 2、Expanded 3 high-speed USB 3.0 interfaces and one Gigabit network interface. 3、Automatically adapt to 10/100/1000Mbps rate: Support full-duplex, half-duplex working mode. 4、PCI-E bus interface: Compatible with Gigabit Ethernet card. 5、Support multiple network operating systems: Can provide higher performance than previous PCI network cards, lower CPU usage, and better compatibility.