Feature: 1. 2.5G High Speed Network: Equipped with I226 V chip delivers speeds up to 2.5Gbps, NIC providing faster data transmission for gaming, streaming, and downloads in bandwidth intensive tasks. 2. Full Compatibility: Seamlessly compatible with 2.5Gbps/1Gbps/100Mbps networks, supporting mainstream systems such as for Windows 7/8/10/11, for OSX, etc. 3. Wide Application: Equipped with standard bracket and low profile bracket to meet the needs of desktops, workstations, servers, mini tower PCs, and more. 4. Aluminum Alloy Heat Sink: Environmentally friendly aluminum alloy heat sink reduces component power loss, lowers maximum device temperature, ensures fast cooling, and maintains network stability. 5. Universal PCIE Interface: Supports X4/X8/X16 card slot interfaces on motherboards, with gold plated connecting fingers for better conductivity, strong anti oxidation, and fast, stable transmission. Specification: Item Type: 2.5g 4 port network card Interface: 4 x 10/100/1000/2500Mbps RJ45 network ports, support network auto adaptation Network Standards: IEEE 802.3bz (2.5GBASE-T) IEEE 8023ab 1000BASE-T Gigabit Ethernet IEEE802.3u 100BASE-TX Fast Ethernet IEEE 802.3i 10BASE-T network standard IEEE 802.3x full duplex and flow control IEEE 802.3ad Link Aggregation IEEE802.1Q VLAN, IEEE 1588 IEEE 802.3az Energy Efficient Ethernet Compatible Slots: PCIE 16X/8X/4X Network Environment: 10/100/1G/2.5G Compatible Systems: Supports for Windows 7/8/10/11, for OSX Application: for Desktops. Package List: 1 x Network Card 1 x Low Profile Bracket