PCI-Express host interface specification v 3.0 x8 and Complete with PCIe 2.0 and 1.1 Supports
Operation Systems: FreeBSD, Linux5. x and above, VMware, Windows server2008/2012/2016/2019, win7/win8/win 8.1 /win10 32 or 64bit Legacy and UEFI PXE network boot support Two 40 Giga-bit QSFP+ Ethernet ports, Compliant with QSFP+ MSA Spec Rev 1.0 Legacy and UEFI PXE network boot support