TRENDnet's 2.5GBASE-T PCIe Network Adapter, model TEG-25GECTX, converts a free PCI Express slot into a 2.5GBASE-T Ethernet port. The 2.5G network adapter includes advanced features such as jumbo frame and VLAN tagging support. Compatible with Windows® and Linux® desktop computer designs, the 2.5G network adapter includes both standard and low-profile brackets.2.5G Port 2.5G network adapter supports three speeds: 2.5Gbps, 1Gbps, and 100Mbps. Jumbo Frame Sends larger packets, or jumbo frames (up to 9KB), for increased performance. Operating Systems Compatible with Windows, Windows Server, and Linux operating systems. Converts a PCIe slot into a 2.5G Ethernet Port Supports 802.1Q VLAN Tagging Includes standard and low-profile brackets Windows® and Linux® support IEEE 802.3ab and 802.3bz compliant Supports up to 9KB jumbo frames