Lenovo 8753 Product Manual - Page 11

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Table 5. Maximum memory speeds
DIMM
specification
Ranks
Part numbers
00D5024 (4 GB)
00D5036 (8 GB)
Rated speed
Rated voltage
Operating voltage
1.35 V
Max. qty
supported*
Max. DIMM
8 GB
capacity
Max. mem.
384 GB
capacity
Max memory at
256 GB
maximum speed
Max operating speed (MHz)
1 DIMM per
1333
channel
MHz
1600
2 DIMMs per
MHz
channel
3 DIMMs per
1066
MHz
channel
* Maximum quantity supported is shown for four processors installed. When two processors are installed,
the maximum quantity supported is a half of the quantity that is shown. When one processor is installed,
the quantity is one quarter of that shown.
The following memory protection technologies are supported:
ECC
Chipkill (for x4-based memory DIMMs; look for "x4" in the DIMM description)
Memory mirroring
Memory rank sparing
If memory mirroring is used, then DIMMs must be installed in pairs (minimum of one pair per CPU), and
both DIMMs in a pair must be identical in type and size.
If memory rank sparing is used, then a minimum of one quad-rank DIMM or two single-rank or dual-rank
DIMMs must be installed per populated channel (the DIMMs do not need being identical). In rank sparing
mode, one rank of a DIMM in each populated channel is reserved as spare memory. The size of a rank
varies depending on the DIMMs installed.

Internal storage

Lenovo System x3750 M4 (8753)
Single-rank DIMMs
00D5020 (4
GB)
00D5032 (8
GB)
1600 MHz
1866 MHz
1.35 V
1.5 V
1.5 V
1.5 V
48
48
48
8 GB
8 GB
384 GB
384 GB
256 GB
256 GB
1600
1866 MHz
MHz
1866 MHz
1600
MHz
1333
1333 MHz
MHz
RDIMM
Dual-rank DIMMs
46W0672(16 GB)
1600 MHz
1.35 V
1.35 V
1.5 V
48
48
16 GB
16 GB
768 GB
768 GB
512 GB
768 GB
1333
1600
MHz
MHz
1600
1600
MHz
MHz
1066
1333
MHz
MHz
LRDIMM
Quad-rank
LRDIMMs
00D5048
46W0761
(16 GB)
(32 GB)
1866
1866 MHz
MHz
1.5 V
1.5 V
1.5 V
1.5 V
48
48
16 GB
32 GB
768 GB
1.5 TB
512 GB
1.0 TB
1866
1866 MHz
MHz
1866
1866 MHz
MHz
1333
1333 MHz
MHz
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