#maxram

Hello, i have a Dell Optiplex 390 DT with the following: cpu: Intel Core i5-2400 motherboard: DELL 0M5DCD chipset: Intel H61 (Cougar Point) ram: DDR3 SDRAM 1333Mhz 1x4 GB what would be the max possible ram and max ram speed since i can't find it online many say its 8gb ram and some say...