Figure 40. Installing a drive into the drive carrier
3 Using a Phillips #1 screwdriver, secure the drive to the drive carrier with screws.
System memory
The system supports DDR4 registered DIMMs (RDIMMs) load reduced DIMMs (LRDIMMs). 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, 2400 MT/s, or 2666 MT/s depending on the following factors:
• DIMM type (RDIMM or LRDIMM)
• Number of DIMMs populated per channel
• System prole selected (for example, Performance Optimized, Custom, or Dense Conguration Optimized)
• Maximum supported DIMM frequency of the processors
The following table shows the memory populations and operating frequencies for the supported congurations:
Table 32. Memory population
DIMM Type DIMMs Populated/
Channel
Voltage
Operating Frequency (in
MT/s)
Maximum DIMM Rank/Channel
RDIMM 1
1.2 V
2666, 2400, 2133, 1866 Dual rank or single rank
2 2666, 2400, 2133, 1866 Dual rank or single rank
3 1866 Dual rank or single rank
LRDIMM 1
1.2 V
2666, 2400, 2133, 1866 Quad rank
2 2666, 2400, 2133, 1866 Quad rank
3 2133, 1866 Quad rank
Installing and removing system components 81
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