The CN4058S 10 Gb Virtual Fabric adapter is a converged network adapter (CNA) that is designed for use in Lenovo X Architecture compute nodes.
This network adapter has eight physical ports with the capability to have four virtual Ethernet ports per physical port. The virtual ports can provide vNIC1 support with the Flex System EN4093 switch, or vNIC2 (switch agnostic) support independent of the scalable-switch feature. If you install an EN4091 10 Gb Ethernet pass-thru module in the chassis, you can use the UEFI utility to configure the eight physical ports on this adapter as single, 10 Gb NICs.
You also can purchase licenses for this adapter to enable Internet Small Computer System Interface (ISCSI) or Fibre Channel over Ethernet (FCoE) capabilities through the Features on Demand offerings.
Software, device drivers, and firmware updates are available for these adapters at Fix Central.