StarTech.com Dual Port 40G QSFP+ Network Card, PEX40GQSFDPI

WIDE HYPEVISOR & OS COMPATIBILITY: Network Interface Card works w/ Windows 7, 8, 8.1, 10; Windows Server 2008 R2, 2012, 2012 R2, 2016, 2019; Linux kernels 3.x + (LTS versions); VMWare ESXi 5.0, 5.1+ TECH SPECS: 2x 40 Gbps Open QSFP+ Ports |MSA Compliant | Intel XL710 Chip |MMF & SMF Fiber Support | PCIe 3.0 x8 | PXE Boot | 9K Jumbo Frames | VLAN | Full & low profile | 2 Yr. Warranty TESTED & VERIFIED PERFORMANCE: We use Spirent SmartBits to validate performance of this 40 Gigabit Ethernet Card; compatible w/ leading servers like Dell PowerEdge, HPE ProLiant & Lenovo ThinkSystem FLEXIBLE: Use MSA compliant QSFP+ or direct attach cable (DAC) supporting different fiber types w/this 40GbE PCI Express NIC; works w/ leading brands of switches, routers, & devices like Cisco & HPE DUAL QSFP+ NETWORK CARD: Two port 40GbE converged network adapter for redundancy or can be aggregated for demanding applications; Data Center Bridging (DCB), virtualization & iSCSI offload support