StarTech.com 10G Network Card - 2X 10G Open SFP+ Multimode LC Fiber Connector - Intel 82599 Chip - Gigabit Ethernet Card Add two 10GbE SPF+ slots to server or workstation for fast, high bandwidth connectivity Intel 82599 chipset with Intel Virtualization Technology for connectivity Up to 20Gbps (full duplex) bandwidth per port PXE network boot support Compliant with IEEE 802.3ae (10GBASE-LR/SR only) and IEEE 802.3aq (10GBASE-LRM) Compliant with PCI Express Rev 2.0 specification, using PCIe x4 (or higher) slot Supports IEEE 802.1Q VLAN tagging Support for 802.3ad Link Aggregation