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The Flex System CN4058S 8-port 10Gb Virtual Fabric Adapter is a part of the VFA5 family of System x and Flex System adapters. This adapter supports up to four virtual NIC (vNIC) devices per port (for a total of 32 for the CN4058S), where each physical 10 GbE port can be divided into four virtual ports with flexible bandwidth allocation. This adapter also features RDMA over Converged Ethernet (RoCE) capability, and supports iSCSI, and FCoE protocols.
With hardware protocol offloads for TCP/IP and FCoE, the CN4058S provides maximum bandwidth with minimum use of CPU resources and enables more VMs per server, which provides greater cost saving to optimize return on investment. With up to eight ports, the CN4058S in particular makes full use of the capabilities of all supported Ethernet switches in the Flex System portfolio.
This CN4058S is based on industry-standard PCIe 3.0 architecture and offers the flexibility to operate as a Virtual NIC Fabric Adapter or as a 8-port 10 Gb or 1 Gb Ethernet device. Because this adapter supports up to 32 virtual NICs on a single adapter, you see virtualization-related benefits, such as cost, power and cooling, and data center footprint by deploying less hardware.