SteinerKD Posted July 18, 2010 Share Posted July 18, 2010 Planning my new gaming rig on a sensible budget and I'm a bit confused over what mem configuration to get. I know I want to use Corsair (XMS3) ram (hence here) and that I want 8GB of RAM (MMOs suck ram and wants lots for Win 7 64bit). I want some performance so want PC3-12800 (1600Mhz), so far so good. Now the confusion starts as I read that the 2.66GHz CPU doesn't support over 1333Mhz ram unless you over-clock, add to that that XMP/1600 is only supported with 1 DIMM per channel. So, how do I get 8GB ram? Is that 1333 and lower only? (or are there sets of 2 4GB DIMMs?) Am I assuming right that XMP support is meaningless to me if going 4*1600 DIMM and that I will manually have to enter all data and run as over-clock then? How about stability would buying 2 sets of the 2*2GB 7-8-7-20 work (no XMP) in this setup or would the CL8 or CL9 4*2GB sets be better? (I guess timings suffer with 2 DIMM per channel?) I aim to over-clock both CPU (aiming 3.8GHz roughly) and GPU, does that add anything to decision of what RAM to get? OK, sorry for putting so much into one question, but I'm very curious and need to learn this stuff so I get the right parts from start. Link to comment Share on other sites More sharing options...
Wired Posted July 18, 2010 Share Posted July 18, 2010 Guaranteed-Compatible Memory for your Asus P7P55D Deluxe CMX8GX3M4A1600C9 or CMD8GX3M4A1600C8 would do what you're looking for. Link to comment Share on other sites More sharing options...
SteinerKD Posted July 26, 2010 Author Share Posted July 26, 2010 Right now I'm a bit thorn between two options. Either: 1x CMX8GX3M4A1600C9 (4x2GB PC1600 CL9) Or 2x CMX4GX3M2A1600C8 ( 2x2GB PC1600 CL8) The first is a matched set of 4 while the second is 2 matched sets of 2, running 4 DIMMs I guess the second set would also end up CL9, but they would end up cheaper by $30 roughly (with mail-in rebate). Would the benefit of 4 matched vs 2 pairs of matched be worth that premium? How big effect will it have on RAM speed/timings? Link to comment Share on other sites More sharing options...
Wired Posted July 26, 2010 Share Posted July 26, 2010 Get the matched kit of 4 sticks: CMX8GX3M4A1600C9. It's guaranteed @ those specs, whereas 2 non-tested kits running together aren't. Link to comment Share on other sites More sharing options...
SteinerKD Posted September 22, 2010 Author Share Posted September 22, 2010 Guaranteed-Compatible Memory for your Asus P7P55D Deluxe CMX8GX3M4A1600C9 or CMD8GX3M4A1600C8 would do what you're looking for. Followed the advice and bought the CMX8GX3M4A1600C9 kit, it's only giving me 4GB in BIOS though :( Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted September 23, 2010 Corsair Employee Share Posted September 23, 2010 Have you tired testing each memory slot individually? Let us know the results. Link to comment Share on other sites More sharing options...
SteinerKD Posted September 24, 2010 Author Share Posted September 24, 2010 My bad I'm afraid, sorry for wasting your time. Seems it was a improperly seated DIMM as when I moved them around and reseated them everything started to work flawlessly. to that I might add that I just love the Force series F60 SSD I added to the build :) Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted September 28, 2010 Corsair Employee Share Posted September 28, 2010 No problem let us know if we can assist in the future. Link to comment Share on other sites More sharing options...
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