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New build, Questions about temps and PSU.

Hi all, been away from PC gaming for a while. Have just cobbled together a build with old spare parts and a few recently purchased 2nd hand parts and now have the following.

PSU = OCZ StealthXStream 500w
CPU = I5 4460
RAM = 8GB Crucial Ballistix
GPU = EVGA GTX 970 FTW

I have a few questions as I'm finding conflicting answers on Google.

1) What are the safe operating temps for my CPU/GPU? they're currently 30/40 @ idle and 58/78 under sustained 100% load.

2) My PSU only has 1 dedicated PCIE line (6+2) so I have used a twin molex to PCIE to provide the 2nd PCIE line that the GFX card requires, However the PSU has 2 12v rails @ 18a each so should I connect both molex to one rail or use one from each rail?. (I'm currently using one from each rail and everything seems to be fine, performance wise) just wanted to make sure.

3) The PSU is an old one that I had spare and I will change it if need be, I just wondered if it's really up to the job at hand or if I should consider replacing it?.
Reply to DaaveMB
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  1. Best answer
    Your temps are fine, anyting below 70 CPU and 80-85 GPU under load is good.

    I don't consider what you have done with the PSU to be a great idea, get a new 500-600W PSU (seasonic is good).
    Reply to 13thmonkey
  2. ok thank you, I wasn't too keen on the molex->pcie route either but it's a pre-fab adapter not something I made myself so I guess it's designed for the job at hand.

    In any case I've just ordered an EVGA Supernova 750w B2. (suddenly reminded why I left PC gaming behind) I can't resist spending money on things I don't need :)
    Reply to DaaveMB
  3. DaaveMB said:
    ok thank you, I wasn't too keen on the molex->pcie route either but it's a pre-fab adapter not something I made myself so I guess it's designed for the job at hand.

    In any case I've just ordered an EVGA Supernova 750w B2. (suddenly reminded why I left PC gaming behind) I can't resist spending money on things I don't need :o)


    Rest easy that this time you need it. The adaptors are 1 step above a fire hazard, sometimes not even that.
    Reply to 13thmonkey
  4. :ouch: in that case I'm glad I paid extra for next day delivery.
    Reply to DaaveMB
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