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850w Power Supply

A power supply is one of the most important components in a computer, and it's also one of the most overlooked. Choosing the right power supply can be confusing, but if you're building a new system or upgrading an old one, you'll want to make sure you choose a good one. Here are some of our top picks.

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  1. MSI - MPG A850GS PCIE5 850W ATX 3.1 &PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

    SKU: J3P7TX9CCT

    Product Description

    A fully modular black power supply with 850W output, 80 Plus Gold efficiency, and PCIe 5.1 support.
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    Your price for this item is $97.49
    Save $64
    The previous price was $161.99

  2. NZXT - Gold Core 850W ATX 3.1 / PCIE 5.1 80 Plus Gold Cybenetics Platinum Fully Modular Power Supply - Black

    SKU: J3GWJHQLHH

    Product Description

    A fully modular black power supply with 850W output, 80 PLUS Gold efficiency, and PCIe 5.1 support.
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    Your price for this item is $108.24
    Save $31
    The previous price was $139.99

  3. NZXT - C 850W ATX 3.1 80 Plus Gold Fully Modular Power Supply - Black

    SKU: J3GWJHQJKG

    This is the best value 850w on the market. Very high quality, you can check the review on Cybenetics Labs website. ...Best 850w power supply on the market!

    Product Description

    A fully modular black ATX power supply with 850W output, 80 Plus Gold efficiency, and quiet cooling.
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    Your price for this item is $116.99
    Save $28
    The previous price was $144.99

  4. NZXT - C 850W ATX 3.1 80 Plus Gold Fully Modular Power Supply - White

    SKU: J3GWJHQXL9

    Product Description

    A fully modular white ATX power supply offering 850W, 80 Plus Gold efficiency, and quiet operation.
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    Your price for this item is $124.99
    Save $25
    The previous price was $149.99

  5. MSI - MAG A850GLS PCIE5 850W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

    SKU: J3P7TX6SF8

    Product Description

    A fully modular black power supply with 850W output, 80 Plus Gold efficiency, and PCIe 5.1 support.
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    Your price for this item is $119.99
    Save $20
    The previous price was $139.99

  6. MSI - A850GLS MLG EDITION 850W ATX 3.1 & PCIe 5.1 Ready Fully Modular 80 Plus Gold Gaming Power Supply - Black & Red

    SKU: J3P7TXQTGW

    Product Description

    A fully modular black and red power supply with 80 Plus Gold efficiency, ATX 3.1, and PCIe 5.1 support.
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    Your price for this item is $124.99
    Save $35
    The previous price was $159.99

  7. Super Flower - Zillion FG 850W 80+ Gold Full Modular ATX 3.1 / PCIe 5.0 W/12V-2x6 Cable (2x8pin - 16pin native cables) Power Supply - Black

    SKU: C34528PQ23

    Product Description

    A fully modular black power supply with 80+ Gold efficiency, ATX 3.1, and PCIe 5.0 support.
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    Your price for this item is $89.99

  8. SilverStone - Technology HELA 850R Platinum 80 Plus Platinum 850W ATX 3.1 Power Supply SST-HA850R-PMA

    SKU: J36P263WW4

    Product Description

    A fully modular, silver ATX 3.1 power supply delivering 850W with 80 Plus Platinum efficiency.
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    Your price for this item is $180.49
    Save $37
    The previous price was $217.49

  9. SilverStone - Cybenetics Platinum 850W SFX12V 4.0 & PCIe 5.0 Fully Modular SFX Power Supply

    SKU: J36P263HJ6

    Product Description

    A fully modular, silver SFX power supply with 850W output, Cybenetics Platinum efficiency, and PCIe 5.0 support.
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    Your price for this item is $274.49
    Save $36
    The previous price was $310.49

  10. Lian Li - SP850G.W 850W SFX Power Supply 80 Plus Gold - White

    SKU: J39TC2Z2PT

    Product Description

    A fully modular white SFX power supply with 850W output, 80 Plus Gold efficiency, and PCIe Gen 5.0 support.
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    Your price for this item is $138.99
    Save $6
    The previous price was $144.99
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FAQ

An 850W power supply is compatible with a wide range of components, including high-performance graphics cards, multi-core processors, and multiple storage devices. It's ideal for gaming PCs, workstations, and systems with multiple GPUs.

Many 850W power supplies feature modular or semi-modular cable management, allowing you to use only the cables you need for a cleaner and more organized build.

Yes, an 850W power supply provides ample headroom for overclocking your CPU and GPU, ensuring stable power delivery during high-performance tasks.

Look for 80 PLUS certifications such as Bronze, Gold, or Platinum, which indicate energy efficiency and reliable performance for your 850W power supply.

Yes, an 850W power supply is generally suitable for most dual GPU setups, especially when paired with efficient components and proper cooling.