Memory: 2 customer-accessible/upgradable memory module slots (DDR3/1333MHz)
Supports dual-channel memory
INTEL CPUs that support up to 16384GB of system RAM (with an x64 OS): i7-2820QM,i7-2720QM,i7-2630QM,i7-2620M,i5-2540M,i5-2520M,i5-2430M,i5-2410M,i3-2350M,i3-2330M,i3-2310M,pentium B950 TJ85,B940 TJ85
AMD CPUs that support up to 8192GB of system RAM (with an x64 OS): AMD A8-3530MX,AMD A8-3510MX,AMD A8-3500M,AMD A6-3410MX,AMD A6-3400M,√AMD A4-3310MX,AMD A4-3300M,AMD E2-3000M,AMD Athlon II N370,AMD Athlon II P360,AMD Athlon II P340,AMD Phenom II N970,AMD Phenom II N870,AMD Phenom II N850,AMD Phenom II N660,AMD Phenom II P960,AMD Phenom II P860,AMD Phenom II P650,AMD Turion II P570,AMD Turion II P560