ThinkComputers dedicated an article to explaining how memory timings work, you can read it over here. It's not an overclocking guide, it's just an explanation to learn you what you need to look for when buying memory.
So you’re on the hunt for a new memory kit, and whilst you know that “lower = better”.. you don’t exactly know why. You may even know the name “CAS Latency” .. but what is that, exactly? Why is it better to have CL8 over CL10? What are all these other numbers? What do the abbreviations mean? Why is it all so complicated!? Oh, and why do I care? Well.. read on, find out, and rejoice! I’m here to save the day.