Goliton? New 1 Port 2.5Gb/s Gigabit Ethernet RJ-45 RJ45 Network LAN Card PCI-E Express 10/100/1000M Desktop Controller Adapter Connector Support Plug and Play. Connect faster than ever with this PCI Gigabit Ethernet Network controller card. Transfer rates up to 1000Mbps, optimize your computer's performance. Single-lane(x1) PCI-Express with transfer rate 2.5Gb/s Full Duplex channel. Compliant with PCI-Express Revision 1.0a.