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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. PCCOOLER - P5-YN850-G1FFBK1-US 850W Gold Modular ATX 3.1 Power Supply - Black

    SKU: CZ92Y4Z4ZP

    Product Description

    A fully modular 850W ATX 3.1 power supply in black with 80 Plus Gold efficiency.
    See all Power Supplies
    Your price for this item is $124.90

  2. Cooler Master - Elite Gold 850W ATX 3.1 PSU, PCIe 5.1, 12V-2x6, Fully Modular, 80 PLUS Gold, Low Noise

    SKU: J3K4GJSQHC

    Product Description

    A fully modular 850W ATX power supply with PCIe 5.1, 12V-2x6 connectivity, Gold efficiency, and low-noise operation.
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    Your price for this item is $107.71

  3. be quiet! - Power Zone 2 850W ATX12V 3.1 Power Supply | 80 Plus Platinum and Cybenetics Platinum Efficiency | BP007US

    SKU: CC5VXLQ8GR

    Product Description

    A fully modular 850W ATX power supply with 80 Plus Platinum and Cybenetics Platinum efficiency ratings.
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    Your price for this item is $129.99

  4. Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black

    SKU: J39ZPC9RKT

    Good quality product the best part was that Best Buy has inventory available for same day pick up!...Best power supply I have ever owned. It has no problems at all....Best Power Supply

    Product Description

    A fully modular black power supply with 850W output, 80 PLUS Gold efficiency, and PCIe Gen 5.0 support.
    See all Power Supplies
    Your price for this item is $129.99

  5. Thermaltake - Toughpower 850W Power Supply (PSTPD0850NNFAGU3)

    SKU: J39ZPC9QLW

    Product Description

    An 80 PLUS Gold certified ATX power supply with PCIe Gen 5.0 support and quiet 120mm cooling fan.
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    Your price for this item is $86.49
    Save $13
    The previous price was $99.99

  6. 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 $130.99

  7. Thermaltake - Toughpower SFX 850W 80Plus Platinum ATX 3.1 Standard Power Supply - Black

    SKU: J39ZPC9VTH

    Product Description

    A fully modular black power supply featuring 80 PLUS Platinum efficiency and ATX 3.1 compatibility.
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    Your price for this item is $173.88
    Save $6
    The previous price was $179.99

  8. 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

  9. REDRAGON - GC-PS010 80 Plus Gold 850W ATX Fully Modular Power Supply - Black

    SKU: CZ6WWRYCZK

    Product Description

    A fully modular ATX power supply with 850W output, 80 Plus Gold efficiency, and sleek black finish.
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    Your price for this item is $125.00

  10. 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.
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    Your price for this item is $118.99
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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.