1、This product is made of high quality PCB material, strong and durable. 2、For Broadcom BCM5709 master chip, stable and powerful. 3、PCI-E x 4 interface, supports IEEE 803z, 803x, Dynamic 803ad, 803p, 801Q. 4、Dual-port Gigabit LAN, network connection speed up to 10/100/1000Mbps. 5、Widely used in server and desktop network cards, data centers. Features: This product is made of high quality PCB material, strong and durable. For Broadcom BCM5709 master chip, stable and powerful. PCI-E x 4 interface, supports IEEE 802.3z, 802.3x, Dynamic 802.3ad, 802.3p, 802.1Q. Dual-port Gigabit LAN, network connection speed up to 10/100/1000Mbps. Widely used in server and desktop network cards, data centers. Specifications: Material: PCB Size: Approx. 17*12*2cm/ 6.69* 4.72* 0.79inch Master Chip: For Broadcom5709C Suitable network type: Gigabit Ethernet Transmission rate: 10/100/1000Mbps Bus type: PCI-E Network cable Interface type: 2*RJ45 electrical interface Application range: PC, Server Full duplex/half duplex: Support LED indicator: 4 LED indicator lights IEEE network standard/network technique: IEEE 802.3z, 802.3x, Dynamic 802.3ad, 802.3p, 802.1Q Package list: 1 x Network Card 1 x Low Profile Bracket 1 x Driver CD