IBM System x3850 X5 14
Memory options
IBM DDR3 memory is compatibility tested and tuned for optimal System x performance and throughput.
IBM memory specifications are integrated into the light path diagnostics for immediate system
performance feedback and optimum system uptime. From a service and support standpoint, IBM memory
automatically assumes the IBM system warranty, and IBM provides service and support worldwide.
The IBM System x3850 X5 supports DDR3 memory. Memory is installed in memory cards. The server
supports eight memory cards, and each card holds eight DIMMs. Two memory cards are connected to
each processor. As a result, all eight memory cards are usable only when all four processors are installed.
Adding a MAX5 memory expansion unit to the server offers an additional 32 DIMM slots for a total of 96
DIMM slots per node.
The following table lists the memory options that are supported in the server and MAX5 (either MAX5 V2
or MAX5).
Notes:
In the MAX5 memory expansion unit, do not mix DIMMs with x4 technology (DIMMs with DRAMs that
are organized with 4 data lanes, as indicated by "x4" in the description) with DIMMs with x8
technology (DIMMs with DRAMs that are organized with 8 data lanes).
In the server, you can mix DIMMs with x4 and x8 technology.
Table 8. Memory options - x3850 X5 machine type 7143 (Intel Xeon E7 series processors)
Part
number
x3850 X5
feature code
Description Where used
69Y1888 A14D IBM x3850 X5 and x3950 X5 Memory Expansion Card (7143 only) All 7143 models
44T1592 1712 2GB (1x2GB, 1Rx8, 1.5V) PC3-10600 CL9 ECC DDR3 1333MHz -
49Y1407 8942 4GB (1x4GB, 2Rx8, 1.35V) PC3L-10600 CL9 ECC DDR3 1333MHz -
44T1599 1713 4GB (1x4GB, Dual Rankx8) PC3-10600 CL9 ECC DDR3 1333MHz All other models
49Y1399 A14E 8GB (1x8GB, 4Rx8, 1.35V) PC3L-8500 CL7 ECC DDR3 1066MHz -
46C7482 1706 8GB (1x8GB, Quad Rankx8) PC3-8500 CL7 ECC DDR3 1066MHz -
49Y1400 8939 16GB (1x16GB, 4Rx4, 1.35V) PC3L-8500 CL7 ECC DDR3
1066MHz
All Hxx models
46C7483 1707 16GB (1x16GB, 4Rx4, 1.5V) PC3-8500 CL7 ECC DDR3 1066MHz -
49Y1563 A1QT 16 GB (1x16GB, 2Rx4, 1.35V) PC3L-10600 CL9 ECC DDR3 1333
MHz LP RDIMM
-
90Y3101 A1CP 32GB (1x32GB, 4Rx4, 1.35V) PC3L-8500 CL7 ECC DDR3
1066MHz
-
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