My current PC specs are..
Processor: intel core i3 540 @3.4 GHz
Mobo: intel DH55TC
GPU: Nvidia Geforce GTX 750Ti
RAM: 2x2 GB (TOTAL 4 GB) @1333MHz
PSU: intex @450 Watt
Ok, Now I am thinking of upgrading my RAM to 8 GB, I read a lot on web that, simply adding more 4 GB RAM to get total of 8 GB...