Supports IEEE 802.1Qav Audio-Video Bridging (AVB) for customers that require tightly controlled media stream synchronization, buffering, and reservation. | Supports IEEE 1588/802.1AS for precision timestamping of packets. IEEE 1588 provides a mechanism for clock synchronization requirements of measurement and control systems. | Lightning Protection Design:This network card is designed with lightning protection to protect your computer from damage during lightning storms | OS Supports:Windows 8.1/10/11，Windows Server 2012/2012 R2/2016/2019/2022 ,Linux*:RHEL9.1 & 8.7， RHEL8.x (8.5 and previous)， SLES15 SP4， SLES15 SP3 and previous ，SLES12 SP5 ，SLES12 SP4 and Previous ，Ubuntu 22.04 LTS， Ubuntu 20.04 LTS ，Debian 11 13 / 12.3 12.2 and Previous | 180 day worry-free warranty and friendly customer service. If you have any questions, we will help you solve the problem when you need it, and if it can’t be solved, we will provide a refund and no return is required.

🖥️PCI Express 2.1. 2.5 GT/s x1 Lane. Compatible with x1, x2,x4, x8, x16 standard and low-profile PCI Express slots | 🖥️Supports Windows10(32/64), Win7 (32/64), Win8,8.1 (32/64)，Windows Server 2012, 2008LINUX，Mac OS【Support DSM,PVE,ikuai,unraid6.9.2, OpenWrt ESXi6.x, ESXi7.x(Doesn’t support ESXI 7.0)】 | 🖥️Support PXE function an Wake on LAN | 🖥️Driver link is on the bracket,pls freely download(if you have any questions,pls feel free to contact us) | 🖥️It is suitable for multiple market segments and emerging applications, such as desktop, mobile, workstation, server, communications platforms, and embedded applications

PCI Express 3.1 :5GT/s Support for x1 width (Lane) | Network Interfaces:Integrated MAC + BASE-T PHY. MDI (Copper) standard IEEE 802.3 Ethernet interface for 2500BASE-T, 1000BASE-T, 100BASE-TX, and 10BASE-TE applications (802.3, 802.3u, 802.3bz, and 802.3ab) | Compatible for X1,X2,X4,X8,X16，Comes with low profile bracket | Support Win10/11,Linux Kernel 5.8/5.16.18,RHEL 8.1/8.3/8.6,Ubuntu* 22.04 LTS,FreeBBSD 13.0,VMware ESXi7.0/8.0,DPDK 20.05/22.07,OPENWRT/UNRAID/PVE.Support PXE function.For the lastest driver for FreeBSD*, Microsoft Windows*, Linux*, VMware*,pls contact us or download here :https://www.intel.com/content/www/us/en/download/15084/intel-ethernet-adapter-complete-driver-pack.html | Note: There is a link for the latest driver on Picture 7,pls install this driver (Some customers complained that the driver in the CD can't be used after installation. Please use the latest driver in this link) | 180 day worry-free warranty and friendly customer service. If you have any questions, we will help you solve the problem when you need it, and if it can’t be solved, we will provide a refund and no return is required.

【Ethernet Splitter 1 to 4】 Ethernet Center 4 port gigabit switch designed to solve the problem of insufficient network cabling, Gigabit Ethernet Splitter 1 to 4 convenient function, supports four computers to share the network t the same time, providing an ideal so lution to connectivity problems.(The one next to the power supply port is the input port, and the others are the output ports) | 【1000Mbps Powerful transfer rates】 1 in 4 out network switch ensures stable and reliable data transmission between devices up to 1000Mbps, the network adapter is suitable toward a variety of application scenarios, such as gaming, streaming media, file sharing, etc., without affecting network speed and quality | 【Powerful Compatibility】 Ethernet switch 1 to 4 high speed is suitable toward all kinds of network Ethernet cables, such as Cat8, Cat7, Cat6, Cate etc. It can work seamlessly with a variety of devices such as routers, TVs, hubs, switches, wireless devices, etc | 【Plug and Play】 Ethernet extender adapter high speed is designed with plug and play features to make it easy to use, rj45 splitter 1 to 4 is powered by an80cm/2.6ftUSB cable and requires no tedious installation procedure. Rugged construction, the use of environmentally friendly PCB circuit boards and aluminum alloy cg, to ensure reliable operation toward a long time | 【Package Include & Small Size】 Gigabit switch 1to 4 X 1+ USB to type CcbaleX1+user munualx1, small size, Illumination and portable (LAN cable not included)