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Memory speeds and cpu/mobo

By Hutz4
Dec 4, 2006
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  1. Hi,

    I just bought an Athlon 64 3700 (s939 san diego) processor with a A8N-E mobo....the mobo supports DDR400/DDR333/DDR266 memory....I currently have 2x512 ddr400 stick in the computer...I have some ddr266 kicking around....would it be worth it to install this extra memory or is the slower memory speed going to significantly degrade the performance of my computer? Or will the extra 512mb give me a little boost in performance dispite the extra 512mb of memory being at a slower speed?

    Thanks in advance...
  2. sghiznaneck

    sghiznaneck TS Maniac Posts: 544

    You can't mix RAM speeds. Either you run the DDR 400 or the 266, but you can't mix them in the DIMM slots.
  3. AtK SpAdE

    AtK SpAdE TechSpot Chancellor Posts: 1,846


    Well on some mobos you can, but they will run at the slowest speed (as stated) and can cause some random lockups/BSOD. It can work sometimes however, but I would just stay away.
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