23 PowerEdge M620 Technical GuideThe Dell™ PowerEdge™ M620 offers balanced, scalable I/O capabilities, including integrated PCIe3.0 capable mezzanine card slots. Dell Select Network Adapters, Dell’s network daughter cards, letyou choose the right network fabric without using up a valuable mezzanine card slot. Pick thespeed, technology, vendor, and other options such as switch independent partitioning, which letyou share and manage bandwidth on 10GbE connections.Installation of mezzanine cards requires an M1000e I/O module (IOM) of the same fabric technologyto be installed in the corresponding fabric slot of the mezzanine to support data flow through thatfabric or slot.The Select Network Adapter family is purpose-built and includes flexible LAN on motherboard (LOM)card options for Dell PowerEdge 12th generation servers. The Select Network Adapter form factordelivers the value of LOM integration with the system, including BIOS integration and shared port formanageability while providing the flexibility of a modular card.The PowerEdge M620 supports one custom network daughter card (NDC), as part of SelectNetwork Adapters family, to house the complete LOM subsystem. There are two form factors ofSelect Network Adapters—one for blade servers and one for rack servers. The blade networkdaughter card options supported on the M620 provide dual-port 10GbE interfaces.