Grubs Posted October 15, 2009 Share Posted October 15, 2009 Hello, My vendor didnt have the 8GB kit in stock so I purchased 2 x 4GB kit CMX4GX3M2A1600C8. This is used in a i7 board with p55 chipset (Gigabyte GA-P55-UD4) with i860 CPU. AFAIK the board support 16GB of ram. I see various posts here saying that 2x4GB kits require slower speed settings than the same 8GB kit. Is there a hardware limitation or stored setting in the module that prevents 2x 4GB kits working together at full speed or is the only difference in the testing. This machine is running at stock speeds..but naturally I'd like to get the 1600 speed from the RAM. I've only installed 1 x 4GB kit at the moment (resisting breaking the seals on the second kit until I get clarification on what the downside of the 2 x4g kit). Link to comment Share on other sites More sharing options...
Wired Posted October 15, 2009 Share Posted October 15, 2009 They can't guarantee 2 kits together since they haven't tested them together, as well as they may use different ICs. They COULD run at full speed together, but not guaranteed. Link to comment Share on other sites More sharing options...
cirnOS Posted March 10, 2010 Share Posted March 10, 2010 I am curious for this as well. I plan on getting 2 of these kits for a gigabyte ga-p55a-ud4p motherboard. Link to comment Share on other sites More sharing options...
Dave76 Posted May 8, 2010 Share Posted May 8, 2010 For anyone else that may be looking I'm running 4X2GB (8GB) CMX4GX3M2A1600C8 on my Gigabyte P55A-UD4P motherboard at 8-8-8-24, 1.65v. 19,424 MB/s. Runs great, no problems. Link to comment Share on other sites More sharing options...
Pas Posted May 10, 2010 Share Posted May 10, 2010 I had 2 kits CMD4GX3M2A1600C8 (I know....they're different). Corsair allowed me to RMA them and get an 8 gig kit in return. Link to comment Share on other sites More sharing options...
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