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Thread: Is my Corsair TX550 power supply enough for a 1080ti?

  1. #1
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    Default Is my Corsair TX550 power supply enough for a 1080ti?

    Good day!

    This is my first time posting in this forum and I am still a newbie regarding PCs.


    It has been a month since my father and I bought this PC (we haven't bought a GPU yet due to the crazy prices right now). Everything is fine until I thought about the power supply we bought, which is a Corsair TX550. I'm currently worried because the PSU we bought may not be enough once we're able to buy a GPU. I've tried power supply calculators like Cooler Master, BeQuiet and Outervision, but I can't still figure out whether this PSU is already enough because other people say that some PSU calculators are exaggerated.

    Here are the specs of my PC:

    Processor: Intel Core i7 8700
    Motherboard: ASRock Z370 Extreme4
    RAM: G.Skill Ripjaws V 16GB 2400MHz (2 sets of 2x4GB)
    CPU Cooler: Cooler Master MasterLiquid Lite 120 (1 fan)
    Case Fans: Raidmax R120TP (I have 3 of them, I might add another one soon)
    HDD: Seagate 1TB (7.2K RPM)
    SSD: Adata SU800 256GB (I will buy this along with the extra fan soon)
    Optical Drive: Asus 24x Internal DVD-RW
    GPU: Asus ROG Strix GTX 1080 Ti (This is our target GPU but we don't have it yet)
    I don't have other accessories like RGB strips or what. I don't and I won't overclock anything too.
    I usually use my PC for 14-16 hours per day.


    I really want to be sure if this PSU is enough for the GPU so that I can decide whether to save for a 650W/750W or not.

    Thank you.

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    It's enough if you don't overclock, the total DC power consumption with gaming should be around 375W with a maximum of around 425W peak.

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    Quote Originally Posted by -The_Mask- View Post
    It's enough if you don't overclock, the total DC power consumption with gaming should be around 375W with a maximum of around 425W peak.
    How did you calculate that

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    It's fine, that's a good psu, Idk if you can overload it check reviews for that but I wouldn't overclock on it too much

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    Yes, perfectly.

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    Thank you guys for responding to my post. I appreciate all the answers you've given me.

    For my conclusion:
    I've decided to save for a 650W instead to be safe, for more wiggle room and for assurance.

    Thank you so much again to everyone who answered!

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    Quote Originally Posted by jndtv2g View Post
    For my conclusion:
    I've decided to save for a 650W instead to be safe, for more wiggle room and for assurance.
    Why do you need more than 50% "room" from the PSU??
    Why do you want to load it at only 40% Capacity??

    You shouddn't save for a bigger PSU, you should save for a better PSU like Bitfenix Whisper M or similar.

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    Quote Originally Posted by jndtv2g View Post
    Thank you guys for responding to my post. I appreciate all the answers you've given me.

    For my conclusion:
    I've decided to save for a 650W instead to be safe, for more wiggle room and for assurance.

    Thank you so much again to everyone who answered!
    That won't be more safe. You can go for a better 550W power supply to be more "safe".

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    Its a little bit more safe in therms of heat because in the 650W you got 2 pcie sockets from the psu, you can connect 1 cable to 1 socket.
    Not that 1 cable with 2 connector its not safe without extreme OC

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    Quote Originally Posted by -The_Mask- View Post
    That won't be more safe. You can go for a better 550W power supply to be more "safe".
    What are examples of better 550W PSUs?

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