System Memory - Dell E31S Series Owner's Manual

Steps
1. Align the slots on the cooling fan assembly with the guide pins on the chassis.
2. Slide the cooling fan assembly into the chassis.
3. Lock the cooling fan assembly into the chassis by lowering the release levers until firmly seated.
Figure 15. Installing the cooling fan assembly
1. cooling fan assembly
3. release lever (2)
5. cooling fan connector (6)
Next steps
Follow the procedure listed in the After working inside your system section.
Related tasks
Before working inside your system
After working inside your system
Related reference
Safety instructions

System memory

Your system supports DDR4 registered DIMMs (RDIMMs). System memory holds the instructions that are executed by the processor.
NOTE: MT/s indicates DIMM speed in MegaTransfers per second.
Memory bus operating frequency can be 1866 MT/s, 2133 MT/s, or 2400 MT/s depending on the following factors:
• DIMM type (RDIMM)
• DIMM type (RDIMM or LRDIMM)
• Number of DIMMs populated per channel
• System profile selected (for example, Performance Optimized, Custom, or Dense Configuration Optimized)
66 Installing and removing system components
2. cooling fan (6)
4. guide pin on the system board (2)
6. guide pin on the chassis (6)