Features: 1.High Speed: This 10/100/1000Mbps PCIe ethernet card upgrades your Ethernet speeds to gigabits. 2.PCI Express interface: This PCIe ethernet card has one PCI Express interface, suitable for PCI?E X1, X4, X8, X16 slots. 3.Support PXE: This PCIe ethernet card supports the PXE function. Comes with diskless PXE boot core, diskless boot chip, PXE boot chip, more convenient to use. 4.Easy Installation: This PCIe ethernet card is easy to install, add a high speed Ethernet interface to your desktop now. 5.Heat Dissipation: Large heat sink ensures faster heat dissipation. Thickened gold plated finger PCIE to reduce hardware contact failures that results in sudden disconnection and other problems! Self?adaption full duplex/half duplex. specification:Item Type: Pcie Ethernet Card Material: Printed Circuit Board Transmission Rate: 10/100/1000Mbps Full Duplex/Half Duplex: Full Duplex/Half Duplex Self Adaption Bus Type: PCI-E X1 Suitable For: PCI-E x1, x4, x8, x16 Slots. Network Connector Type: RJ45 Led Indicator: LINK/ACT (Connection Work) Applicable Model: Desktop Network Standards: IEEE802.1p, IEEE802.1Q, EEE 802.2, IEEE802.3ac, IEEE 802.3az, IEEE 802.3X, IEEE 802.3z, IEEE 802.3ad PackageList:1 x Pcie Ethernet Card