Expansion slot options PCIe riser board slot definitions NVMe slot definitions Installing an expansion board Installing an HPE InfiniBand HDR/Ethernet 940QSFP 56x16 adapter Installing the HPE 12G SAS Expander Card Installing a GPU card Installing the Pensando DSP DSC-25 2p SFP28 card with the iLO Sideband ALOM Module Installing the HPE NS204i-p NVMe OS Boot Device option