KVR1333D3N9/2G-SP Tags: Memory RAM Motherboards Intel i5 Last response: September 23, 2012 8:37 AM in Memory Share gaurav_js September 16, 2012 11:39:42 AM i am using this ram two ram of 2 gbs i have MSI H55M P33 motherboard and intel i5 760 processor i want to upgrade my ram to 8 gb but wen i insert two more ram of 2gbs then its says total memory is 8gb but 3.69 is usable plzz help More about : kvr1333d3n9 mouse24 a b } Memory a b V Motherboard September 16, 2012 12:24:36 PM You are probably using the 32bit(x86) version of windows, you are going to need to upgrade that to the 64bit to use all of the ram. m 0 l gaurav_js September 23, 2012 8:37:13 AM thnx for the reply but ...i would like to tell you that i am using windows ultimate 64bit only.... but then also its not supporting i went to manufacturer place, they told me to use the old ram as new one will not be supporting my motherboard the hell otherwise i have to replace the ram what to do ?? m 0 l Can't find your answer ? Ask ! Publish Related resources KVR1333D3N9/2G-SP Forum More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !