This NIC uses a 40GbE QSFP+ optic, a fanout (breakout/octopus) cable to four 10GbE SFP+ optics on the other end. Fourth- generation (T4) technology provides the high 10GbE performance and lowers host-system CPU communications overhead with on-board hardware that off-loads TCP/IP, iSCSI, FCoE and iWARP RDMA processing from its host system.
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