Compatible RAM?

By nonreflexabilit
Nov 30, 2008
  1. I just got 2 2gb sticks of Balistix Crucial. Can I still fill my last two dimm slots with my old RAM? 2 1gb sticks of OCZ. They are both 800mhz pc6400. The crucial RAM has CL-4-4-4-12. The ocz RAM is 4-5-5. My mobo guide says to use the RAM with the same CAS Latenc. Which number is the CAS Latency? My bios says its the first number, the 4. So far no problems with this setup but ive only had it for an hour or two.
  2. Rage_3K_Moiz

    Rage_3K_Moiz Sith Lord Posts: 5,443   +38

    You need to check the maximum amount of RAM supported by your motherboard.

    And yes, the first number in the timings is the CAS latency.
  3. red1776

    red1776 Omnipotent Ruler of the Universe Posts: 5,224   +164

    The recommendation for dual channel is two or four identical sticks of ram, and if you can spend the money its the best way to go, however, you would be suprised at the ram combinations that can be used and function. It wont hurt anything to try it out though, either it will work, or it wont work in dual channel, slow down to the slowest module, or in some cases with mixed timings,it might change the latency setting on one of the modules, or your machine wont post. but again it wont hurt anything to try it. just keep your eyes peeled for slow or flaky performance.
  4. Tedster

    Tedster Techspot old timer..... Posts: 6,002   +15

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