Dell PowerEdge R810 Specifications download pdf (Page 19)

19 PowerEdge R820 Technical Guide

The R820 supports memory speeds of 1600 MT/s, 1333 MT/s, 1066 MT/s, and 800 MT/s depending

on the DIMM types installed and the configuration. All memory on all processors and channels run

at the same speed and voltage. By default, the systems run at the highest speed for the channel with

the lowest DIMM voltage and speed. The operating speed of the memory is also determined by the

maximum speed supported by the processor, the speed settings in the BIOS, and the operating

voltage of the system.

Table 10 lists memory configuration and performance details for the R820 based on the population

of the number and type of DIMMs per memory channel.

DIMM

type

DIMM 0

DIMM 1

DIMM 2

Number

DIMMs

Speed (MT/s)

800

1066

1333

1600

UDIMM

∞

RDIMM

∞

LRDIMM

∞

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 51 52

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Dell PowerEdge R810 Specifications Page 19