Feature 12.5Gbps Network: This PCIe network card adopts I226 V chip to provide up to 2.5Gbps and higher data transmission for gaming, live broadcast and download. 2Widely Compatible: This Gigabit Ethernet card is downward compatible with 2.5Gbps/1Gbps/100Mbps, suitable for Win 7/8/10/11 and for OS X Laptop. 3Aluminium Alloy: This RJ45 network card adopts premium aluminium alloy to reduce power loss of components, and fast heat dissipation keeps the stability of network transmission. 4Multi Purpose: This PCIe network adapter comes with low profile bracket, ideal for desktop, workstation, server, mini tower crane and other chassis. 5PCIE Interface: This 2.5G network card supports motherboard with X1/X4/X8/X16 slot, PCI E gold plated pin with nice electrical conductivity and highly resistant to oxidation.Item Type: PCIeNetworkCardMaterial: Aluminium AlloyColor: BlackChip: I226 VPorts: Dual 10/100/1000/2500Mbps Rj45 Network Ports, Supporting Network Self AdaptationNetwork Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3az, IEEE802.3bzCompatible Slot: PCIE 16X/8X/4X/1XNetwork Environment: 10/100/1G/2.5GCompatible System: SuitableforWin7/8/10/11andforOSXLaptop. OS SystemsApplication Scope: Desktop .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x PCIeNetworkCard1 x Low Profile Bracket1 x Screwdriver1 x Screw1 x Drivers CDNotePlease turn off computer before operation