Tohle je v manualu, takze ti to asi nesezere tu 8GB. Navic 2x4 dualchannel je lepsi nez jedna 8 gigovka.

Memory
Standard
DDR3 PC3-10600 SDRAM (1333 MHz)
Two SODIMM slots supporting dual-channel memory
1 GB, 2 GB, and 4 GB SODIMMs
Maximum
Upgradeable to 8 GB with 4 GB SODIMMs
in slots 1 and 2
Dual-channel
Maximized dual-channel performance requires SODIMMs of the same size and
speed in both memory slots.