SIIG Dual Profile Gigabit Ethernet PCIe - up to 1Gbps data transfer rate - Dual Profile Single Port Gigabit Ethernet PCIe Adapter adds one high-speed Gigabit Ethernet port to PCI Express enabled desktop computers and workstations - Supports 10/100/1

SIIG Dual Profile Gigabit Ethernet PCIe - up to 1Gbps data transfer rate - Dual Profile Single Port Gigabit Ethernet PCIe Adapter adds one high-speed Gigabit Ethernet port to PCI Express enabled desktop computers and workstations - Supports 10/100/1000Mbps data transfer rate - auto-negotiation and full duplex mode to enhance your network's performance and reliability - 1Gbps RJ45 Ethernet Network - Wark on Lan - LEDs indicate - Dual size bracket - Works in any available PCI Express slot - 2. Dual Profile Single Port Gigabit Ethernet PCIe Adapter adds one high-speed Gigabit Ethernet port to PCI Express enabled desktop computers and workstations. Supports up to 1000Mb/s data transfer rate, auto-negotiation and full duplex mode to enhance your network's performance and reliability, Works in any available PCI Express slot