I7-860 and Asus P7P55D Memory Question

I have purchased a i7-860 boxed CPU and after looking at P55 Motherboards have decided that the Asus P7P55D Motherboard has all the features that I will realistically use. I now need to decide on the memory to use. The memory controller is on the CPU and the CPU supports DDR3-1333 memory. The Asus P7P55D supports DDR3 2133/1600/1333/1066.

I am not the knowledgeable about voltage, CAS Latency, Timing and speeds of memory. I plan to buy 4GB (2 x 2GB) of memory for the system I'm planning to build. I will probably try to do some overclocking and am confused on what I need to look for in memory as far as voltage, CAS Latency, Timing and speed goes.

Can you help me determine exactly what I should look for in memory for my new system? I'm hoping I can find a good combo deal on Newegg with the Asus P7P55D Motherboard that might help me save a little money.

Thanks in advance for your help.
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  1. Well for timings,lower timings are better,timings like 6-6-6-x or 7-7-7-x are good,for voltage,1.6 is good
  2. I think a number of us are trying to figure this out now. Lower timings are certainly better when all else is equal. But when there are other differences - e.g. 1333 vs 1600 - then it gets a little murkier. I asked a similar question specifically comparing DDR3 1600 (9-9-9-24) to DDR3 1333 (7-7-7-20). Take a look at responses here. See cjl's comment in particular.
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