StarTech.com 1 Port 2.5Gbps 2.5GBASE-T PCIe Network Card x4 PCIe - Windows, MacOS & Linux - PCI Express LAN Card - RTL8125 (ST2GPEX) - PCI Express x4 - 1 Port(s) - 1 - Twisted Pair - 2.5GBase-T, 1000Base-T, 10/100Base-TX - Plug-in Card

Supports 2.5Gbps network speeds on CAT5e cabling and CAT6a IEEE 802.3az and IEEE802.3u compliant energy efficient Realtek RTL8125 chipset Multi-Gigabit Ethernet connectivity with four network speeds: 2.5G, 1G, 100Mbps, 10Mbps Compatible with both 2.5GBASE-T and NBASE-T specifications Flexible installation with both standard and low-profile brackets included