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Cisco UCS C-Series Rack Servers

Cisco UCS C-Series Network Adapter Models Comparison

For use with the UCS C-Series Rack-Mount Servers, Cisco offers a choice of four types of PCIe adapters so that you can choose the technology most appropriate for your data center and applications. They can be mixed and matched in the same server.

Adapter Type Model Total Interfaces Interface Type Ethernet Interfaces Fibre Channel Interfaces Ethernet NIC Teaming
Virtual Interface Card Cisco UCS P81E Virtual Interface Card 128 (Initially, up to 16 Ethernet and up to 2 Fibre Channel) Dynamic* Up to 128 (Initially, up to 16 fixed) Up to 128 (Initially, up to 2 fixed) Hardware, no driver needed
Cisco UCS M81KR Virtual Interface Card 128 Dynamic Up to 128 (Initially, up to 16 fixed) Up to 128 (Initially, up to 16 fixed) Hardware, no driver needed
Converged Network Adapters Emulex OneConnect Universal Converged Network Adapter 4 Fixed 2 2 Software, via bonding driver
Cisco UCS CNA M61KR-I   Intel Converged Network Adapter 2 Fixed 2 Software Yes
Ethernet adapters
(1 Gb, 10 Gb)
Intel® Gigabit ET2 Quad Port Server Adapter 4 Fixed 4 0 Software, via bonding driver
Intel®Ethernet Server Adapter X520-DA2 2 Fixed 2 0 Software, via bonding driver
Broadcom NetXtreme II 5709 Quad Port Ethernet PCIe Adapter Card with TOE and iSCSI HBA 4 Fixed 4 0 Software, via bonding driver
Broadcom NetXtreme II 57711 Dual Port 10 Gb Ethernet PCIe Adapter Card with TOE and iSCSI HBA 2 Fixed 2 0 Software, via bonding driver
Host Bus Adapters Emulex LightPulse LPe11002 4 Gbps Fibre Channel PCI Express Dual Channel HBA 2 Fixed 0 2 N/A
QLogic SANblade QLE2462, Dual Port 4 Gbps Fibre Channel to PCI Express HBA 2 Fixed 0 2 N/A