Supermicro Add-on Card AOC-STG-I4S - network adapter - PCIe 3.0 x8 - 10 Gigabit SFP+ x 4

The STG-I4S is an advanced SFP+ controller. It expands virtualization beyond the server level to the network level, and combines with hardware optimizations and offloads. It provides incredible features for virtualization, flexibility for LAN and SAN networks, and reliable performance. This is a great choice for rapid provisioning of networks in an agile data center.