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Overclock i5-8400

Discussion in 'Hardware' started by Klerta, Jan 2, 2019.

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  1. Klerta

    Klerta Thread Starter

    Jan 2, 2019
    Hello, I've bought the i5-8400 and once i buy a new cpu cooler I want to overclock it to like 3.5 Ghz. On the specification the base frequency is 2.8 Ghz and themax is 4.0 Ghz.
    How do I overclock it safely?
  2. Triple6

    Triple6 Moderator

    Dec 26, 2002
    First Name:
    The i5-8400 is not a multiplier unlocked processor so it can't really be overclocked. You would need a K model processor to have an unlocked multiplier. You can slightly increase the base frequency but that can bring up instability issues and barely gives you any gains. Also no such thing as a safe overclock and it's always a trial and error and unique to each system. Honestly just run it at stock frequencies and let Turbo Boost do it's job, it can take one core up to 4.0Ghz when needed, 2 or 4 cores up to 3.9 Ghz, and 6 cores up to 3.8 Ghz provided power and cooling is sufficient.
    Last edited: Jan 3, 2019
    SarahSims likes this.
  3. flavallee

    flavallee Trusted Advisor

    May 12, 2002
    First Name:

    I'm not a hardware expert, but I agree with Rob.
    It's an impressive processor, so run it at its default clock/turbo speeds.
    Why risk instability or hardware damage?

    SarahSims likes this.
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