Memory
Maximum memory
Up to: 4 GB 1333 MHz DDR3 SDRAM
With some processors, memory bus runs at a maximum of 1066 MHz.
Upgradeable to 8 GB
Memory slots
2 or 4 SODIMM slots supporting dual channel memory

Memory
DDR3 PC3-10600 SDRAM (1333 MHz)*
Two or four SODIMM slots supporting dual-channel memory
SODIMM sizes supported: 2048 MB and 4096 MB
NOTE: Four memory slots only on models with quad-core processor.


Standard Memory


2048 MB (2048 MB x 1)
4096 MB (4096 MB x 1)
4096 MB (2048 MB x 2)
8192 MB (4096 MB x 2)
8192 MB (2048 MB x 4)**
12288 MB (4096 MB x 2 + 2048 MB x 2)**
16384 MB (4096 MB x 4)**