Fangrui Product Details Compliant With Pci Express Rev 1.1 Specification. Compliant With Csma/cd Protocol Supports For Xp/vista/7 32/64-bit, Server 2003 32/64-bit, For Linux 10 Led Data Transmission Indicators Supports Acpi Power Management, Compliant To Acpi 2.0 Data Transfer Rate:10/100/1000 Mbps Chipset:realtek Rtl8111e External Ports:1 X Rj-45 Ethernet Port Host Interface:pci Express (pci-e) Fully Compliant With Ieee802.1p, Ieee802.1q, Ieee802.3 10base-t, Ieee802.3u; 100base-tx, Ieee802., 1000base-t Standards; Supports High-performance, Low-processor-occupied Pci-e Data Bus; Supports 10/100mbps Full-duplex/half-duplex Mode And 1000mbps Full-duplex Mode; Supports Auto-negotiation Technology, Automatically Detects Full-duplex/half-duplex Mode, And Automatically Matches Network Speed; Support Ieee802.3x Full-duplex Flow Control; Support Vlan Tag Ethernet Tagged Frames; Supports Gigabit Jumbo Frame Sending And Receiving Colour:black Material:pcb+metal+electronic Components Package Contents: 1 * Pcie To Rj45 Network Card Only