IBM System x3690 X5
8
MAX5 memory expansion unit
The IBM MAX5 memory expansion unit is a 1U unit that has 32 DDR3 DIMM sockets, two 675-watt power
supplies, and five 40-mm hot-swap speed-controlled fans. It provides added memory for the x3690 X5
server. Some models include the MAX5 standard as listed in the model table above. The MAX5 options
are listed in Table 5.
There are two MAX5 options available as listed in the table:
IBM MAX5 for System x
®
, part number 59Y6265
IBM MAX5 V2 for System x, part number 88Y6529
MAX5 V2 is the second generation unit and features newer versions of the Intel scalable memory buffers,
which enable support for both 1.35V DIMMs and 32 GB DIMMs.
Note that some models and some processors do not support the MAX5. See the model table and the
processor options table for details. The MAX5 includes two power supplies; no additional power supplies
are needed or available.
Table 5. MAX5
Part number
Description
Maximum quantity
supported
59Y6265
IBM MAX5 for System x
1
88Y6529
IBM MAX5 V2 for System x
1
59Y6269
IBM MAX5 to x3690 X5 Cable Kit
1