x 2 OCP card (OCP 3.0) 1 GbE x 4, 10 GbE x 2, 10 Gbe x 4, 25 GbE x 2, 25 GbE x 4 Serial connector specifications The Dell EMC PowerEdge R750 system supports one optional card type serial connector, which is a 9-pin connector, Data Terminal Equipment (DTE), 16550-compliant ....