Do I have to overclock my CPU to run 1600mhz DDR3 ram?

I know for the AMD 1090T the speed of the integrated memory controller is maxed out at 1300 mhz, so in order to run 1600mhz ram would I need to oc the cpu?

Is this 1300mhz ram speed standard for the i5 cpu as well, or if I have a mobo that runs 1600mhz and 1600mhz ram, the ram will naturally run at 1600mhz?
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  1. Hi and welcome to Tom's forum.

    The default speed is 1333MHz not 1300MHZ as you say. Can you provide the RAM link?
  2. Sorry about the error there, here is a link to the RAM and the processor I am looking at getting. If you could offer a good motherboard suggestion as well (even though it isn't technically in this part of the forums) I would greatly appreciate it. g.skill 8gb @ 1600 mhz i5 processor

    I do not plan on using crossfile/SLI on this motherboard by the way.
  3. 1- Why you need 8GB?
    2- Why not go with SB for the same price and much better performance?
  4. 1: I wanted to kind of future proof my system by getting a lot of RAM, my time frame is about 4 years before buying a new one and I found that the last 2 years I had my current PC, RAM became an issue (I had only 2gb).

    2: I assume you are talking about the sandy bridge and I really like the processor but cannot find a motherboard for it since they have all been recalled :( My time frame for building this comp is in the next couple of weeks.
  5. Something like this board would work well, unless you need SATA III (6Gbps) ports. You can set the memory to 1600 in the BIOS to take full advantage of that RAM.

    And 8GB is a good idea, especially since RAM is so cheap now. Just make sure you get a 64-bit version of Windows to be able to use all of it.
  6. 1- You can get 4GB (2x2GB) and add another 4GB (2x2GB) in future.
    2- ASUS P8P67 Pro: or Gigabyte P67A-UD4:
  7. Best answer
    Ehh, I'd go with the 4GB sticks, 2X4GB ->,2778-8.html

    If you go with 1600 MHz RAM AND a SB {Sandy Bridge} CPU then either 1333 MHz CAS 8 or 1600 MHz CAS 8, the SB seems to be hitting a wall at 1333 MHz which prior P55/X58 didn't have that problem. Good SB + RAM article -> {see pages 4-6 especially} on the SB I recommend the G.SKILL Ripjaws X and they're cheap now... ;)

    I agree with the ASUS P8P67 PRO & P8P67 DELUXE, but there have been a lot of problems reported with the UD3, UD4, and UD5. The Gigabyte's also use the old BIOS and not the newer EFI BIOS.
  8. Best answer selected by whatistaters.
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