IBM System x3750 M4 Installation And Service Manual page 68

v The following table lists the memory speed based on the type of ranked DIMM
50
System x3750 M4 Types 8722 and 8733: Installation and Service Guide
Table 13. Supported combinations of ranked LR-DIMMs per memory channel
DIMM 1 (far
Configuration DIMM)
1 Quad-rank
2 Quad-rank
3 Quad-rank
and the voltage at which the DIMM runs.
Table 14. Memory speeds and configurations based on ranked DIMM type and voltage
DIMM rank,
type, and DIMM
technology capacity
Single-rank 4 GB
x4 RDIMM -
2 Gb (1333
MHz)
Single-rank 4 GB
x4 RDIMM -
2 Gb (1600
MHz)
Dual-rank x4 8 GB
RDIMM - 2
Gb (1333
MHz)
Dual-rank x4 8 GB
RDIMM - 2
Gb (1600
MHz)
Quad-rank x4 16 GB
LRDIMM - 2
Gb (1333
MHz)
Quad-rank x4 32 GB
LRDIMM - 4
Gb (1333
MHz)
DIMM 2 (middle
DIMM)
Empty
Quad-rank
Quad-rank
1 DIMM per 2 DIMMs per
channel channel
1.35 V 1.50 V 1.35 V
1333 1333 1333
1600
1333 1333 1333
1600
1333 1333 1333
1333 1333 1333
DIMM 3 (near
DIMM)
Empty
Empty
Quad-rank
3 DIMMs per
channel
1.50 V 1.35 V 1.50 V
1333 1066 1066
1600 1066
1333 1066 1333
1600 1333
1333 1333 1333
1333 1333 1333