TP-Link TX401 10GBe PCI Express Network Adapter - Interface: 1x PCI Express 3.0x4, 1x RJ45 Gigabit/Megabit Port - Network Media: 10GBASE-T/5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-TX - Data Rates: 100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, 10 Gbps for Half-Duplex mode,200 Mbps, 2 Gbps, 5 Gbps, 10 Gbps, 20 Gbps for Full-Duplex mode- TX401 - 3 Years Limited Warranty - Open Box

Manufacturer Warranty: 12 Months Limited Warranty

Manufacturer Contact Info: http://www.tp-link.com.au, 1300 875 465