System Interface Type: PCIe v1.0a (2.5 GT/s).
Interfaces Supported: 1000Base-T; Cable type: CAT5/5e or better.
Upgrade Your Network to Gigabit: 1.25Gb/s PCI-E Network Adapter with RJ45 ports easily upgrades your network to 1000Mbps networking using standard copper network Cables.
High Quality Gigabit Ethernet Controller: Equipped with original Intel 82571 controller chip which supports Jumbo Frames, maintaining a stable connection in a wide range of environments.
Comprehensive System Support: Support Windows 7/8/10, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware Esxi 5/6/7, SLSE 11/12.