Memory Options - IBM Redbooks x3850 X5 Product Manual

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 x3850 X5
number feature code
69Y1888 A14D
44T1592 1712
49Y1407 8942
44T1599 1713
49Y1399 A14E
46C7482 1706
49Y1400 8939
46C7483 1707
49Y1563 A1QT
90Y3101 A1CP
IBM System x3850 X5
Description
IBM x3850 X5 and x3950 X5 Memory Expansion Card (7143 only)
2GB (1x2GB, 1Rx8, 1.5V) PC3-10600 CL9 ECC DDR3 1333MHz
4GB (1x4GB, 2Rx8, 1.35V) PC3L-10600 CL9 ECC DDR3 1333MHz -
4GB (1x4GB, Dual Rankx8) PC3-10600 CL9 ECC DDR3 1333MHz
8GB (1x8GB, 4Rx8, 1.35V) PC3L-8500 CL7 ECC DDR3 1066MHz
8GB (1x8GB, Quad Rankx8) PC3-8500 CL7 ECC DDR3 1066MHz
16GB (1x16GB, 4Rx4, 1.35V) PC3L-8500 CL7 ECC DDR3
1066MHz
16GB (1x16GB, 4Rx4, 1.5V) PC3-8500 CL7 ECC DDR3 1066MHz
16 GB (1x16GB, 2Rx4, 1.35V) PC3L-10600 CL9 ECC DDR3 1333
MHz LP RDIMM
32GB (1x32GB, 4Rx4, 1.35V) PC3L-8500 CL7 ECC DDR3
1066MHz
Where used
All 7143 models
-
All other models
-
-
All Hxx models
-
-
-
14