Product introduction: This is a general- 2.5Gbps Ethernet PCI card. Users can switch to a standard RJ45 network port through the PCIE x1, x4, x8 or x16 slot of the computer. It is mainly aimed at improving the 's speed when gaming. designed for the needs. It supports high-performance dual-channel network and full-duplex communication to achieve a transmission rate of up to 2500Mbps, compatible with existing Ethernet. The 2.5G Ethernet network provided by this network card can improve the efficiency of data transmission and processing within the enterprise, and can also increase the speed of ordinary users transferring files between multiple network devices . This will also make the increasingly network video transmission smoother, and it is the preferred solution for consumers to upgrade 2.5G networks. product features: Support 1- 2.5/5Gps PCI bus Supports PCI 2.1 Support 2.5G and 1Glite mode 10/100/1000M/2.5Gbps data rate automatic detection Support detection and automatic correction Fully compliant with IEEE802.3, 802.3u and 802. Support IEEE 1588v1, IEEE 1588v2, IEEE 802.1AS time synchronization Support shaping algorithm based on IEEE 802.1Qav credit Support IEEE 802.1ad double VLAN Supports IEEE 802.3az (Energy Efficient Ethernet) Support IEEE 802.3bz (2.5GBase-T) Supports IEEE 802.1P layer 2 priority encoding Support 802.1QVLAN tagging Support full-duplex flow control (IEEE.802.3x) Supports jumbo frames of 16K bytes Support for Virtual Machine Queues (VMQ) Support -core Receive Side Scaling (RSS) Support protocol offloading (&NS) Supports WPI (Wake Packet Indication) Wake-on-LAN and "RealWoW" technology (Remote ) support Support for the ECMA-393ProxZzzy standard for sleep hosts System requirements: Windows10 and Windwos11 ; Material: PCB+Metal colour: Black Package Contents: 1 x Network Card 1 x Driver CD, 1 x short iron piece, 1 x screwdriver 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.