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Ok to use a 10 year old PC power & cooling 1kw PSU?

HI!

I'm thinking of putting together a gaming pc on a semi budget.

I want a 780 or leaning toward a 780ti but in trying to keep the costs down i'm going to integrate a couple bits from a 10 year old pc and my laptop.

back then i bought a horrifically over specced PSU for some reason, it only had to power a E7200 duo and a 3850 (i think) GPU.

I was thinking of putting it in a new build, however, having been out of the pc 'scene' that long, I don't know if all the motherboard/GPU/case connectors will be different now?

Or are they pretty much standard?

cheers...
3 answers Last reply Best Answer
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  1. to simplify, are m/board connectors standardised?!
  2. A 10 year old PSU won't work on it's own, you will need adapters. I know this because when a friend of mine got my ATI 4870 on his build with a old PSU he had to buy an adapter for the PCI-e pin connection to work. Things have changed a lot on the PSU front sense 10 years ago with connections.

    I would plan on getting a new one and I don't think even if you could get the right adapters for it that it would be a good idea to count on a 10 year old PSU on powerful modern hardware and it may end up getting killed that way.
  3. Best answer
    There's (at least) three good reasons why you shouldn't.

    1) Technology has moved on and things have changed a bit. A lot of the basic connections will be compatible, but some will either not be suitable or won't be available in suitable numbers. A lot of things 10years ago were powered by the generic 4pin molex connector - these days you hardly use them.
    Additionally, voltages have become more streamlined. These days most high power draw items (significantly CPU+graphics) run off the +12V supply when in the past it was more varied across 3.3/5V. For this reason most modern PSUs supply most of their power on +12V rail(s) and the quality/stability/capacity of this is one of the most important elements in a PSU.

    2) If you've been using this PSU for 10years, it's probably not in great shape. Capacitors have a finite lifespan and even a good quality PSU is going to age. It's not unheard of for some brands to offer 10year warranties on PSUs, but I'd imagine this is a calculated risk (based on average usage and registration) than a statement of their realistic lifespan if you push them hard.

    3) You are talking about a GTX780Ti - an incredibly expensive piece of hardware for the average person. If you can afford that kind of expense, you should be able to afford the correct hardware to support it. A suitable PSU for a GTX780Ti can be had for 10-15% of the cost of a new card, and that seems like a relatively insignificant expense if you are buying something like that. Remember also that something like a GTX780Ti has really poor price : performance ratio, it's not a value for money prospect - so trying to save money elsewhere to get one is a false economy. Also, new Nvidia chips coming very soon it seems, probably not the greatest time to be buying one of their flagship cards.
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