Memory Configurations - Dell PowerEdge T620 Technical Manual

2-socket tower server
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The T620 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 T620 based on the population
of the number and type of DIMMs per memory channel.
DIMM
DIMM 0
type
SR
DR
UDIMM
SR
SR
DR
SR
DR
QR
SR
SR
DR
RDIMM
QR
QR
QR
SR
SR
SR
DR
QR
LRDIMM
QR
QR
Number
DIMM 1
DIMM 2
DIMMs
1
1
SR
2
DR
2
DR
2
1
1
1
SR
2
DR
2
DR
2
SR
2
DR
2
QR
2
SR
SR
3
SR
DR
3
DR
DR
3
DR
DR
3
1
QR
2
QR
QR
3
of
800
1066
Speed (MT/s)
1333
1600

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