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Labor Day Appliances SaleEnds 9/16. Limited quantities. No rainchecks.Shop now

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power supplies

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

    SKU: J3GWJHQLHH

    Great PSU...Works great for my use case, no whine, can't hear the fan over the case fans.

    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 $118.99
    Save $21
    The previous price was $139.99

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

    SKU: J3P7TX9CCT

    Great PSU...Did research for the best PSU on a budget and found MPGA850GS to be the top choice.

    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 $149.99

  3. 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

  4. MSI - MAG 850W Power Supply

    SKU: J3P7TX92LX

    Product Description

    A fully modular ATX power supply with 80 Plus Gold efficiency and PCI Express 5.0 support for gaming PCs.
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    Your price for this item is $112.99

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

    SKU: J3P7TX6SF8

    totally great

    Product Description

    A fully modular black power supply with 850W output, 80 Plus Gold efficiency, and PCIe 5.1 support.
    See all Power Supplies
    Your price for this item is $139.99

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

    SKU: J3GWJHQJKG

    Best Product to Buy...Best bang for your buck...Love it and will highly recommend it for someone whos upgrading to a current gen gpu and needs the power

    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 $119.99
    Save $25
    The previous price was $144.99

  7. Cooler Master - MWE Gold 850 W ATX12V/EPS12V Modular Power Supply - Black

    SKU: J3K4GJL7WQ

    Product Description

    A fully modular 850W ATX power supply in black with 80 PLUS Gold efficiency and PCIe 5.0 support.
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    Your price for this item is $109.99

  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 $184.99
    Save $33
    The previous price was $217.99

  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 $242.99
    Save $65
    The previous price was $307.99
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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.