IBM System x3650 M4 21
Table 5. Maximum memory speeds (Part 4: Intel Xeon processor E5-2600 product family - UDIMMs,
HyperCloud DIMMs, and LRDIMMs)
DIMM specification UDIMM HyperCloud DIMM LRDIMM
Rank Dual rank Dual rank Quad rank
Part number 49Y1404 (4 GB) 00D5004 (32
GB)
00D4964 (16
GB)
46W0767 (32 GB)* 90Y3105 (32 GB)
Rated speed 1333 MHz 1066 MHz 1333 MHz 1333 MHz 1333 MHz
Rated voltage 1.35 V 1.5 V 1.5 V 1.35 V 1.35 V
Operating voltage 1.35 V 1.5 V 1.5 V 1.5 V 1.35 V 1.5 V 1.35 V 1.5 V
Max. qty supported** 16 16 24 24 24 24 24 24
Max. DIMM capacity 4 GB 4 GB 32 GB 16 GB 32 GB 32 GB 32 GB 32 GB
Max. memory
capacity
64 GB 64 GB 768 GB 384 GB 768 GB 768 GB 768 GB 768 GB
Max. memory at rated
speed
32 GB 64 GB 768 GB 384 GB 512 GB 768 GB 256 GB 512 GB
Maximum operating speed
1 DIMM per channel 1333 MHz 1333 MHz 1066 MHz 1333 MHz 1333
MHz
1333
MHz
1333
MHz
1333
MHz
2 DIMMs per channel 1066 MHz 1333 MHz 1066 MHz 1333 MHz 1333
MHz
1333
MHz
1066
MHz
1333
MHz
3 DIMMs per channel No
support
No
support
1066 MHz 1333 MHz 1066
MHz
1333
MHz
1066
MHz
1066
MHz
* Support is planned for later in 2013.
** Maximum quantity supported is shown for two processors installed. When one processor is installed, the
maximum quantity supported is a half of the quantity that is shown.
The following memory protection technologies are supported:
ECC
Chipkill (for x4-based memory DIMMs)
Memory mirroring
Memory rank sparing
If memory mirroring is used, DIMMs must be installed in pairs (minimum of one pair per each 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.
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