Table 5. Maximum memory speeds (Part 2: UDIMMs and LRDIMMs)
DIMM type
Specification
UDIMM
LRDIMM
Rank
Dual rank
Quad rank
Rated speed
1333 MHz
1333 MHz
Rated voltage
1.35 V
1.35 V
Operating voltage
1.35 V
1.5 V
1.35 V
1.5 V
Max quantity*
12
12
12
12
Largest DIMM
4 GB
4 GB
32 GB
32 GB
Max memory capacity
48 GB
48 GB
384 GB
384 GB
Max memory at rated speed
24 GB
24 GB
NS**
192 GB
Maximum operating speed (MHz)
1 DIMM per channel
1333 MHz
1333 MHz
1066 MHz
1333 MHz
2 DIMMs per channel
1066 MHz
1066 MHz
800 MHz
1066 MHz
* Maximum quantity supported is shown for two processors installed. When one processor is installed, the maximum quantity
supported is a half of what is shown.
** Rated speed is not supported. Memory DIMMs always operate at speeds lower than rated.
The following table lists the memory options available for the x3630 M4 server.
Table 6. Memory options
Part
number
Feature
code
Description
Maximum
supported
Standard
models
where used
UDIMMs
49Y1404
8648
4GB (1x4GB, 2Rx8, 1.35V) PC3L-10600 CL9 ECC
1333MHz LP UDIMM
12 (6 per
processor)
-
RDIMMs
49Y1405
8940
2GB (1x2GB, 1Rx8, 1.35V) PC3L-10600 CL9 ECC DDR3
1333MHz LP RDIMM
12 (6 per
processor)
-
49Y1406
8941
4GB (1x4GB, 1Rx4, 1.35V) PC3L-10600 CL9 ECC DDR3
1333MHz LP RDIMM
12 (6 per
processor)
A2x, A4x, B2x,
B4x, C2x,
D2x, F2x, F4x,
G2x, J2x
49Y1559
A28Z
4GB (1x4GB, 1Rx4, 1.5V) PC3-12800 CL11 ECC DDR3
1600MHz LP RDIMM
12 (6 per
processor)
-
49Y1407
8942
4GB (1x4GB, 2Rx8, 1.35V) PC3L-10600 CL9 ECC DDR3
1333MHz LP RDIMM
12 (6 per
processor)
-
90Y3178
A24L
4GB (1x4GB, 2Rx8, 1.5V) PC3-12800 CL11 ECC DDR3
1600MHz LP RDIMM
12 (6 per
processor)
-
49Y1397
8923
8GB (1x8GB, 2Rx4, 1.35V) PC3L-10600 CL9 ECC
1333MHz LP RDIMM
12 (6 per
processor)
C4x, C6x, H2x
90Y3109
A292
8GB (1x8GB, 2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3
1600MHz LP RDIMM
12 (6 per
processor)
-
49Y1399
A14E
8GB (1x8GB, 4Rx8, 1.35V) PC3L-8500 CL7 ECC DDR3
1066MHz LP RDIMM
12 (6 per
processor)
-
System x3630 M4 (E5-2400)
13