Gigabit LAN PCI-Express RTL8111E - FPD-G24102MK-R (No Retail Package) Features: PCI-Express 1X interface (will also wok in a PCI-Express 4X/ 8X / 16X slot) Realtek RTL8111 Chipset Port: RJ45 x 1 Supported OS: Mikrotik, Windows XP/7/8/8.1/10/11, Windows Server, Linux, BSD Standards: IEEE 802.3 10Base-T Ethernet IEEE 802.3u 100Base-TX Fast Ethernet IEEE 802.3ab 1000Base-T Ethernet Data Transfer Rate: Ethernet: 10 Mbps (Half-Duplex), 20 Mbps (Full-Duplex) Fast Ethernet: 100 Mbps (Half-Duplex), 200 Mbps (Full-Duplex) Ethernet: 1000 Mbps (Half-Duplex), 2000 Mbps (Full-Duplex) Using RTL8111E chip, each network has a separate MAC address, within the family network air network (does not support diskless) Packing list (Non-Retail Packing): 1x RTL8111 PCI-e X1 1000mbps LAN Card