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. SaveMyServer uses different brands. DIMM Slots. I'm looking to add another 64gb. Would my best bet be populating the remaining 8 slots with 8gb DIMMS? Or could I get away with adding 4x 16gb. DIMM Type, DIMMs. Each memory channel. The Dell PowerEdge R Server has a total of 24 DDR3 DIMM slots. 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. With 24 DIMM slots available, the R can be configured with up to GB of total memory: 8GB / 16GB / 32GB / 64GB DDR4. . 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. Memory Types. There are 8 memory channels. There are a total of 24 DIMM slots on the Dell R server. Cloud Ninjas' Dell R Memory Upgrade Tips. There are 8 memory channels that each consist of 3 DIMM slots.