PSU requirements for the xfx 6600gt

By Intel_Inside ยท 4 replies
Jul 9, 2006
  1. hi,
    i have a xfx 6600GT, the requirements says tht it needs a PSU with 350W output.
    However, i have a 300W PSU. how is this going to affect my system?? do i really need to change it?
  2. howard_hopkinso

    howard_hopkinso TS Rookie Posts: 24,177   +19

    Hello and welcome to Techspot.

    A lot depends on whether your psu is of good quality, or a cheap no name brand.

    You should look at the label on your psu and see how many amps it has on the 12volt rail. If it`s any lesss than 20 to 25, I`d consider getting a new psu.

    Look at this handy PSU Wattage Calculator.

    Also, take a look at this Excellent article on psu`s. It lists brands that should be avoided and has recommendations for good quality psu`s

    A crap psu, can cause stability issues as well as damage to your valuable components, should anything go wrong.

    It is one of the most overlooked component in a computer system.

    We see lots of problems here that are directly associated with crap psu`s.

    Regards Howard :wave: :wave:
  3. Mr47

    Mr47 TS Rookie Posts: 17

    Well I have a 6600Gt and a 300W PSU (10A on 12V rail) it works nice without

    crashes, but I can't get it stable if overclocked, so a new PSU wont hurt.
  4. wolfram

    wolfram TechSpot Paladin Posts: 1,967   +9

    Like Howard said, if the 300W is a quality, known brand power supply, you shouldn't have any problems.
  5. Rage_3K_Moiz

    Rage_3K_Moiz Sith Lord Posts: 5,443   +38

    50 watts will make a difference in the amps on the 12V rail(s). This might adversely affect performance, degrading it if the amps are too low. Also, other devices might malfunction due to reduced power being supplied to them and u might not be able to use USB devices of any sort. So a quality, new PSU is the first thing u should buy.
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