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850W ATX 3.0 vs 1000W ATX not 3.0

AkiraKyu
By AkiraKyu
in Power Supplies
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850W ATX 3.0 vs 1000W ATX not 3.0  

2 members have voted

  1. 1. I'm stuggling to decide what PSU i should buy for my build and IDK how relevant is ATX 3.0

    • 850W ATX 3.0
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    • 1000W ATX not 3.0
      1

Posted

Hi, I'm trying to pick a PSU for my build but I'm unsure if I should go for an 850W atx 3.0 or a 1000w non 3.0, the prices are really close and currently I don't need more than 850 but in the future I might so idk what to pick

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Well, I suggest it depends on the GPU that you use

If you're using mid-high end NVIDIA RTX 40x0 series, especially 4070TI or 4080, then grab 850W ATX 3.0

 

Otherwise, if you really don't want to use NVIDIA GPU in current and future state, then there's no advantage doing so

Plus, most NVIDIA GPU comes with 12VHPWR adapter cable anyway, so it doesn't really matter if the PSU support ATX 3.0 slot or not

My System: Ryzen 7800X3D // Gigabyte B650 AORUS ELITE AX // 32GB 6000MHz DDR5 Silicon Power Zenith CL30 // Sapphire Pulse AMD Radeon RX 7900 XT OC with mod heatsink on the metal plate  // Phanteks P300A  // Gigabyte Aorus GEN4 7300 PCIE 4.0 NVME // Kingston NV2 Gen4 PCIE 4.0 NVME // 

Seasonic Focus GX-850 Fully Modular // Thermalright Frost Spirit 140 Black V3 // Phanteks M25 140mm // Display: Bezel 32MD845 V2 QHD // Keychron K8 Pro (Mod: Gateron black box ink; Tape mode on PCB and Keycaps) // Razer Cobra Wired Mouse // Audio Technica M50X Headphone // Sennheiser HD 650 // Genius SP-HF180 USB Speaker //

 

And Laptop Acer Nitro 5 AN515-45 for mobility

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iPhone 11 (with battery replaced instead of buying new phone for long term and not submitting (fully) to Apple Lord

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Posted

It would help if you said which PSUs they are and what your future plans were.

 

There are still plenty of decent old PSUs at good prices, especially if you're using AMD, as mentioned above.

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I think I'd rather choose 850W ATX3.0 than 1000W non ATX3.0 cause you know...if you're going to purchase 1000W then one of the reason is to leave some space for future upgrade. Usually 1000W you can pair with the top GPUs out there. So if this is a non ATX3.0 I don't really see why you need this since you said that you don't need more than 850W currently. (And actually 850W can be used in most builds)

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850w ATX3.0 has a high frequent OCP of 200%(1700w) while a 1000w ATX2.4 has a high frequent OCP of 130% (1300w). The ATX3.0 unit can handle powerspikes a lot better. So for the future the ATX3.0 unit is a better purchase.

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