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. 1 x Pcie Ethernet Card  Item Type: Pcie Ethernet Card Material: Printed Circuit BoardTransmission Rate: 10/100/1000MbpsFull Duplex/Half Duplex: Full Duplex/Half Duplex Self AdaptionBus Type: PCI-E X1Suitable For: PCI-E x1, x4, x8, x16 Slots.Network Connector Type: RJ45Led Indicator: LINK/ACT (Connection Work)Applicable Model: DesktopNetwork Standards: IEEE 802.1p, IEEE 802.1Q, EEE 802.2, IEEE 802.3ac, IEEE 802.3az, IEEE 802.3X, IEEE 802.3z, IEEE 802.3ad