Supports bus widths:Gen4 x1, Gen4 x4, x16 Support PCI Express Gen-III x1 Supports line rates up to 16.0 GT/s, 8.0 GT/s, and 5.0 GT/s per Jumbo frame support up to 16 KB Support 10G/5G/2.5G/1000M/100M LAN speed 2.5W typical 10GBASE-T operating power per port: 100 meters of Cat6A 1.5W typical 5GBASE-T operating power per port 1W typical 1GBASE-T operating power per port Audio Video Bridging (AVB) and /1588v2 Synchronous Ethernet (Sync-E),ITU-T standard in accordance with IEEE Supports Message-Signaled Interrupts( and -X), and legacy INTx PCIe interrupts Support for Controller Sideband Interface(NC-SI) Management Component Transport Protocol(MCTP) IEEE 802.3an 10 Gbit/s Ethernet over unshielded twisted pair IEEE 802.3bz 2.5/5GBASE-T IEEE 802. 1000BASE-T Gigabit Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.1Q VLANs IEEE 802.3x Full Duplex and flow contro IEEE 802.3az - Energy Efficient Ethernet (EEE) Support Preboot Execution Environment (PXE) FCoE No Operation Temperature:0℃ to 85℃ (-32℉ to 185℉) Storage Temperature:-55℃ to 105 ℃ (-67℉ to 221℉) Storage humidity:90% non condensing relative humidity at 35 ℃ Bus Type:PCI Express. Bus Width:PCI Express Gen4 x1 Chipset ID:Realtek RTL8127 Number of Ports:1 Port Transfer Rate:10Gbps OS Compatibility:for 10/11, Server 2022, RHEL/Centos7.3/7.6, RHEL/Centos7.9/8.2/8.3, 15.11/20/20.6, 16.04.3/18.04.5/20.04/22.10/23.10,for OS Color:As Shown Material:PCB Package Contents: 1 * Network Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.