With this PCIe Card, you can add a 10/100/1000/25000 Mbps Ethernet port to any PC through a PCIe slot.Fits any PCI Express x1, x2, x4, x8 or x16 socket; Additional 8cm Low-profile bracket provides the option for installation in small size HTPC case. This PCI-based 10/100/1000/25000 Dual 2.5 Gigabit Ethernet Network Adapter Card provides a simple connection to two 2.5 Gigabit Ethernet network, and is fully compatible with 802.1Q Virtual LAN (VLAN) Tag. and Ethernet card which is compliant to IEEE802.3, IEEE802.3u & IEEE802.3ab. The high quality PCIe dual 2.5 Gigabit NIC with 12cm profile bracket and Additional 8cm Profile Bracket that makes it easy to install the card in a small form factor/low profile computer case/server. 2.5 Gigabit network card Compatible with a broad range of operating systems, including Windows 10, 8/8.1, 98SE, ME, 2000, XP, XP-64bit, Vista, Vista-64bit, 7, 7-64bit, Linux, macOS 10.7 International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.