Table 14. Expansion card riser specificationsExpansion card riser PCIe slots on theriser Height Length LinkRiser 1 Slot 1 half-height low-profile x8Riser 1 Slot 2 half-height low-profile x8Riser 1 Slot 3 half-height low-profile x8Riser 2 Slot 4 full-height full-length x16Riser 2 Slot 5 full-height full-length x8Riser 3 (alternate) Slot 6 full-height full-length x16NOTE: When using slots 1 through 4 on the riser, ensure that both the processors are installed onthe system.GUID-B57167F2-1DB9-4283-A315-3F094CEC131DMemory specificationsThe Dell DR4300 system supports DDR4 registered DIMMs (RDIMMs). Supported memory busfrequencies are 1333MT/s, 1600 MT/s, 1866 MT/s, 2133MT/s, or 2400 MT/s.Table 15. Memory specificationsMemory modulesockets Memory capacity Minimum RAM Maximum RAMTwenty-four 288–pin4 GB single-ranked or 8GB dual-ranked RDIMMs• 4 GB with singleprocessor• 8 GB with dualprocessors (minimumone memory moduleper processor)64 GB with twoprocessorsGUID-40E1EAB7-5862-41D4-844D-91B0F2C2D1D7Drive specificationsGUID-092E5133-B62C-448C-8552-7729CD2C224DHard drivesThe Dell DR4300 system supports up to twelve 3.5-inch hard drives and two optional 2.5-inch back-accessible SAS, SATA, or Nearline SAS hard drives.GUID-35EC5EFB-160A-4A43-A66D-EB5D10AF35DCPorts and connectors specificationsGUID-B915F181-8D3E-443A-A876-7F350AD542EDUSB portsThe Dell DR4300 system supports:22
