Features: This PCIe RTL8111H eight Gigabit Ethernet controller card is a high performances 10/100/1000 BASE-T Ethernet LAN controller for host communications with power management. Compliant with the IEEE802.3u specification for 10/100Mbps Ethernet and the IEEE802.3ab specification for 1000Mbps Ethernet. Support auxiliary power auto detect function, and will auto-configure related bit of the PCIE power management registers in PCIE configuration space. Perfectly to convert the PCIE into Eight Gigabit Ethernet port. Elevates your Networking capabilities with this 8 port Gigabit Ethernet card, featuring RTL8111H chipset for fast data transmission. Specifications: Component:PCB Size:Approx.9.64x10.02cm/3.8x3.94inch Package Includes: 1 Set Networking Card note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.