The Broadcom NetXtreme II® BCM57712 dual-portSFP+ Adapter with TCP/IP Offload Engine (TOE), iSCSI and FCoE offload features a robust, standards-based SFP+ adapter in a low-profile PCI Express® form factor, combining advanced, multiprotocol offload technologies with standard Ethernet functionality. It enables affordable 10 Gigabit Ethernet (10 GbE) network performance with optical or direct-attach cable (DAC) connectivity with copper (twinax).