The Power 720 is a one socket system supporting a single POWER7 processor module. The
server supports a maximum of 16 DDR3 DIMM slots, with eight DIMM slots included in the
base configuration and eight DIMM slots available with an optional memory riser card.
Memory features (two memory DIMMs per feature) supported are 8 GB and 16 GB running at
speeds of 1066 MHz. A system with the optional memory riser card installed has a maximum
memory of 128 GB.
The Power 740 is a two socket system supporting up to two POWER7 processor modules.
The server supports a maximum of 32 DDR3 DIMM slots, with 8 DIMM slots included in the
base configuration and 24 DIMM slots available with three optional memory riser cards.
Memory features (two memory DIMMs per feature) supported are 8 GB and 16 GB run at
speeds of 1066 MHz. A system with three optional memory riser cards installed has a
maximum memory of 256 GB.