IBM System x3200 M3, Product Manual

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IBM System x3200 M3 12
Memory speed is determined by type of processor used, number, and type of DIMMs installed, as follows:
Intel Xeon 3400 series processors

1333 MHz when one or two single-rank or dual-rank RDIMMs or UDIMMs per channel are

installed
1066 MHz when one quad-rank RDIMM per channel is installed

800 MHz when three single-rank or dual-rank RDIMMs or two quad-rank RDIMMs per channel are

installed
Intel Celeron G, Pentium G, or Core i3

1066 MHz when one or two single-rank or dual-rank UDIMM per channel are installed

The following table lists the memory options supported by the server.
Table 5. Memory options
Part
number Feature
code Description Maximum
supported
UDIMMs
44T1570 1913 2 GB (1x 2 GB, 1Rx8, 1.5V) PC3-10600 CL9 ECC DDR3 1333MHz LP UDIMM 4
44T1571 1912 4 GB (1x 4 GB, 2Rx8) PC3-10600 CL9 ECC DDR3 1333MHz LP UDIMM 4
RDIMMs
49Y1432 8933 1GB 1Rx8 1Gbit PC3-10600 LP RDIMM 4
49Y1405 8940 2GB (2Gb, 1Rx8, 1.35V) PC3L-10600R ECC LP RDIMM 4
49Y1433 8934 2GB (1x2GB, 2Rx8, 1.5V) PC3-10600 CL9 ECC DDR3 1333MHz LP 4
49Y1407 8942 4GB (2Gb, 2Rx8, 1.35V) PC3L-10600R ECC LP RDIMM 4
49Y1399 A14E 8GB (2Gb, 4Rx8,1.35V) DDR3-1066 LP RDIMM 4