Check out the 10/100/1000Mbps TG-3269 Gigabit PCI Network Adapter by TP-LINK! With single UTP/STP and the Auto-Negotiation (Nway) function support, the Card can auto-negotiate 10Mbps, 100Mbps or 1000Mbps speed, and half or full duplex mode with its link partner (a hub, for example). Supports ACPI, compliant with PCI2.2. Full range of drivers are provided for major Operating Systems.