Solved Memory frequency Tags: Memory RAM Last response: April 23, 2010 5:22 PM in Memory Share king game April 23, 2010 8:05:46 AM now i have two sticks of 2GB ram each which are 800Mhz can i use a extra 2GB ram that is 666MHz together More about : memory frequency Best solution saint19 a c 159 } Memory April 23, 2010 1:43:11 PM Hi. Yeah, u can use it but the performance will drop a little because the 800MHz will only run at 666MHz. Also, the extra 2GB will only run in single channel. exela April 23, 2010 2:58:46 PM Is there any big difference between 800Mhz to 666Mhz ? I don't think it's even noticeable. Related resources I would like to know the frequency of my ram memory from my laptop - Forum Memory frequency and timing being throttled in Windows - Forum Can't change back Memory Frequency , comp won't start up - Forum UEFI Bios Memory Frequency Change! - Forum Error due to changing Memory Frequency - Forum Can't find your answer ? Ask ! Get the answer saint19 a c 159 } Memory April 23, 2010 3:06:51 PM No, the difference is <1%. king game April 23, 2010 5:22:01 PM thx a lot lol the place where i brought they told me it would crash my rig king game April 23, 2010 5:22:13 PM Best answer selected by king game. Can't find your answer ? Ask ! Publish Related resources: ForumMemory Frequency : 1066 1333 1600 1866 2133(O C) MHz means????? ForumMemory Frequency supported but OC required? ForumCan someone check if my memory frequency is correct? ForumHow to set memory frequency right ForumHelp Getting my memory to run at proper frequency ForumMemory frequency & MB ForumMemory Frequency & Processor FSB Forum1066 ddr2 memory help frequency settings ForumMemory frequency incorrect?? ForumDdr3 memory 2x2gb 1333 capped at dram frequency 535.8 ForumMemory frequency question ForumBest Motherboard for i7-3770 and GeForce 600 Ti? Forum[Solved] Memory frequency and timings are not properly detected in bios? ForumMemory frequency and CPU overclocking ForumMemory frequency problem More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !