Cisco UCS C480 M5 Manuel - Page 12

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Cisco UCS C480 M5 Manuel

System Speeds

System Speeds
System speed is dependent on how many DIMMs are populated per channel and the CPU DIMM speed
support. See
Table 4
for details.
Table 4 2666-MHz DIMM Memory Speeds with Different Intel
DIMM and CPU
Frequencies
DPC
(MHz)
DIMM = 2666
1DPC
CPU = 2666
2DPC
DIMM = 2666
1DPC
CPU = 2400
2DPC
DIMM = 2666
1DPC
CPU = 2133
2DPC
Table 5 2933-MHz DIMM Memory Speeds with Different 2
DIMM and
CPU
DPC
Frequencies
(MHz)
DIMM = 2933
1DPC
CPU = 2933
2DPC
DIMM = 2933
1DPC
CPU = 2666
2DPC
DIMM = 2933
1DPC
CPU = 2400
2DPC
DIMM = 2933
1DPC
CPU = 2133
2DPC
12
TSV-
TSV-
RDIMM 
RDIMM
(8Rx4) - 
(4Rx4) - 
128 GB
64 GB
(MHz)
(MHz)
1.2 V
1.2 V
2666
2666
2666
2666
2400
2400
2400
2400
2133
2133
2133
2133
LRDIMM 
LRDIMM
(4Rx4) - 
(4Rx4)-
128 GB (MHz)
64 GB (MHz)
1.2 V
1.2 V
2933
2933
2933
2933
2666
2666
2666
2666
2400
2400
2400
2400
2133
2133
2133
2133
®
®
Xeon
Scalable Processors
LRDIMM 
RDIMM 
(4Rx4) - 
(2Rx4) - 
64 GB (MHz)
32 GB (MHz)
1.2 V
1.2 V
2666
2666
2666
2666
2400
2400
2400
2400
2133
2133
2133
2133
nd
Generation Intel
RDIMM 
RDIMM
(2Rx4) - 
(2Rx4) - 
64 GB (MHz)
32 GB (MHz)
1.2 V
2933
2933
2666
2666
2400
2400
2133
2133
LRDIMM 
RDIMM 
(2Rx4) - 
(1Rx4) - 
32 GB (MHz)
16 GB (MHz)
1.2 V
1.2 V
2666
2666
2666
2666
2400
2400
2400
2400
2133
2133
2133
2133
®
Xeon
®
Scalable Processors
RDIMM 
(1Rx4) - 
16 GB (MHz)
1.2 V
1.2 V
2933
2933
2933
2933
2666
2666
2666
2666
2400
2400
2400
2400
2133
2133
2133
2133
Cisco UCS C480 M5 Memory Guide