hi all, im looking to increase ram on my pc ,been told 8gb is a max for my p5b wifi deluxe mobo,currently have 2gb & 64 os system,im unsure wether to add to my 2gb of kingston value ram (pc2-5300 )or replace all with faster ram (2GB, 240-pin DIMM, DDR2 PC2-6400 memory module) from crucial or can anyone suggest some better options