With 24 DIMM slots available, the R can be configured with up to GB of total memory: 8GB / 16GB / 32GB / 64GB DDR4. DIMM Type, DIMMs. Memory Types. Cloud Ninjas' Dell R Memory Upgrade Tips. The Dell PowerEdge R Server has a total of 24 DDR3 DIMM slots. The PowerEdge R offers a two-slot option (available with the 4-, 6-, or 8-drive bay chassis only) and a three-slot option (this is the only option on the channel 3: slots B4, B8, and B The following table shows the memory populations and operating frequencies for the supported configurations. I'm looking to add another 64gb. Each memory channel. DIMM Slots. Would my best bet be populating the remaining 8 slots with 8gb DIMMS? Or could I get away with adding 4x 16gb. There are a total of 24 DIMM slots on the Dell R server. There are 8 memory channels that each consist of 3 DIMM slots. SaveMyServer uses different brands. . There are 8 memory channels. Drive Bays: Up to eight ” hot-plug SAS, SATA or SSD · I/O Slots: 3 PCIe slots: · Hard Drives: Hot-plug hard drive options: · Power Supply: · Availability. Buy online $ DELL R 8 BAY PCIE 2 SLOT - Used - DELL POWEREDGE R RACK INCH SFF 8 BAY HPHD HPPS 1U SERVER CHASSIS - (2) TWO FCLGA Details for DELL R 4 BAY PCIE 3 SLOT - Refurbished - DELL POWEREDGE R RACK INCH SFF 4 BAY HPHD HPPS 1U SERVER CHASSIS - (2) TWO FCLGA Dell Poweredge R Server Specifications · 24 DIMM Slots · Up to GB · 2GB, 4GB, 8GB, 16GB, 32GB DDR3.