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Thread: Thinking of replacing my PSU after (allegedly) killing 2 GPUs

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    Question Thinking of replacing my PSU after (allegedly) killing 2 GPUs

    First poster here!
    My [current] build:

    Motherboard: ASUS P8Z77-I Deluxe (Mini ITX)
    CPU: Intel i7 3770K @ stock
    GPU: ASUS Radeon RX 570 Strix @ stock
    Crucial M500 SSD 120 GB
    HDD: Seagate HDD 1 TB + 3TB
    PSU: Corsair TX650M Semi-modular 80 Bronze
    RAM: G.Skill Ripjaws X DDR3 2 x 8GB


    So a little backstory:
    So I built this PC back in 2012. I actually started with a ASUS GTX 760 DirectCU II Mini Graphics Card when I first built it. Back in 2015, while gaming (It was Starcraft II), the PC unexpectedly shutdown, and upon restarting the GPU ignited (yes there were burn marks near the power ports). I suspected it was just a power surge that caused the GPU to fail. I did not put a new graphics card on this unit until recently, about a week ago. I bought a ASUS Radeon RX 570 Expedition (different form the Strix above). I tested it out for a few days, and while gaming (this time, playing Crysis) the PC suddenly turned off (this case was not as grave as the previous one). My temps were far from thermal shutdown (70 celsius), the BIOS was updated, and resetting the CMOS battery did not do anything. The PC just won't boot unless I remove the GPU. I reported it to the retailer, and asked for a return. They confirmed that the GPU is dead and offered that I just buy the same card but different make, the RX 570 Strix and just pay a bit extra, so I did (I brought the unit to their shop to test if it boots). Now I'm scared to turn this on again in fear that this card might fail again. Initially I thought that the GPU itself was defective, but I suspect the PSU might be the culprit here.
    1. Am I wrong in this situation? Is there a way to test this?
    2. I was thinking to replace my >6 year old PSU (I've read here that old components tend to struggle with more modern components) with something that's more appropriate for the new card. If I do get a new PSU, can you suggest good budget models? Back when first bought this I thought the 650W was kinda overkill.
    3. Is there anything else that I can do to prevent this? I was thinking of adding surge protector/voltage regulators.

    Sorry for the wall of text. Thanks in advance for your advice!!
    Last edited by jersno; 07-06-2019 at 09:09 AM.

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    Well, that's a rather old PSU, so its possible that its not up to modern power saving things and that killed the GPUs...

    What PSU are available?
    How much do you want to spend?

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    Both TX650M Bronze versions have DC-DC and therefore should have support for modern power savings.

    Also a PSU that only kills graphics cards and lets the other components live? That's unlikely..

    Graphics cards simply don't live forever and can always die, at his moment there is no reason to suspect the PSU.

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    Quote Originally Posted by Stefan Payne View Post
    Well, that's a rather old PSU, so its possible that its not up to modern power saving things and that killed the GPUs...

    What PSU are available?
    How much do you want to spend?
    Can I get away with 500W? Hopefully I can get one with less than $100.
    Corsair, Seasonic, and Thermaltake PSUs are common in my area.

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    Quote Originally Posted by -The_Mask- View Post
    Both TX650M Bronze versions have DC-DC and therefore should have support for modern power savings.

    Also a PSU that only kills graphics cards and lets the other components live? That's unlikely..

    Graphics cards simply don't live forever and can always die, at his moment there is no reason to suspect the PSU.
    So should I just regard it as coincidence? (cause I hope it is just so)
    I was thinking that since the PSU is semi modular, one only the modular outputs are bad? (can this happen?) I really hope that I just had unlucky GPUs and get on with my new one. Would you say my PSU is still good after so long?

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    Quote Originally Posted by jersno View Post
    So should I just regard it as coincidence? (cause I hope it is just so)
    Yes.
    I was thinking that since the PSU is semi modular, one only the modular outputs are bad? (can this happen?)
    Sure, you can have a bad connection. But that's something you will notice, burned connectors, black pins and things like that.
    I really hope that I just had unlucky GPUs and get on with my new one. Would you say my PSU is still good after so long?
    Yeah most TX650M power supplies should still work fine.

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    Quote Originally Posted by -The_Mask- View Post
    Yes.

    Sure, you can have a bad connection. But that's something you will notice, burned connectors, black pins and things like that.

    Yeah most TX650M power supplies should still work fine.
    I guess I'll take your word for it. Thanks!

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    If it were me, I would at least check the voltages on the power supply.

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    Quote Originally Posted by ashiekh View Post
    If it were me, I would at least check the voltages on the power supply.
    Would those PSU testers that some stores sell be okay? Or just a multimeter will suffice?

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    A multimeter should be just fine. I'd also do a visual inspection on the capacitors in the power supply and on the mother board.

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