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Best Power Supply Units

A power supply unit, or PSU, is an essential part of any computer system and is used to power its components. If you're looking for a new unit to pwer your devices, we've got you covered. Browse the top-ranked list of best power supply units below along with associated reviews and opinions. 

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  1. Thermaltake - Toughpower GX2 600W 80 PLUS Gold ATX Power Supply - Black

    SKU: J39ZPCSWL4

    great PSU and came at an amazing deal!!! love it so much....Is Awesome and still working in my computer, love it...Great Power Supply...great value!

    Product Description

    A black ATX power supply delivering 600W, 80 PLUS Gold efficiency, and near-silent cooling with a 120mm fan.
    See all Power Supplies
    Your price for this item is $59.99
    Save $10
    The previous price was $69.99

  2. 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...Best power supply I have ever owned. It has no problems at all.

    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

  3. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 850W Semi-Modular Power Supply - Black

    SKU: J39ZPC9W4P

    Worked out the best can’t wait to get another one later on...Easy install and I love the modular nature, so there are fewer cables clogging up the guts of my PC....Works great.

    Product Description

    A black semi-modular 850W power supply with 80+ Bronze efficiency and PCIe Gen 5.0 support.
    See all Power Supplies
    Your price for this item is $87.99
    Save $12
    The previous price was $99.99

  4. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 750W Semi-Modular Power Supply - Black

    SKU: J39ZPC9WTX

    Great Product...Great product and easily installed through the Best Buy Geek Squad!...Great PSU with Upgradeability....One of the best bang for your buck power supplies on the market....Never had an issue...

    Product Description

    A black semi-modular 750W power supply with 80+ Bronze efficiency and PCIe Gen 5.0 support.
    See all Power Supplies
    Your price for this item is $76.99
    Save $13
    The previous price was $89.99

  5. Thermaltake - Toughpower GF A3 1050W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black

    SKU: J39ZPC9RKV

    Second one worked great. First one was DOA. No issues exchanging it. Thank you Best Buy Augusta ME....Great PSU!!!!...Strong, quiet PS, love the Smart Zero Fan feature.

    Product Description

    A fully modular black power supply with 80 PLUS Gold efficiency and PCIe Gen 5.0 compatibility.
    See all Power Supplies
    Your price for this item is $169.99

  6. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 650W Semi-Modular Power Supply - Black

    SKU: J39ZPC9W9V

    Great power supply!...[Employee of bestbuy] One of the best budget PSU’s out there, great ease of use and looks nice and clean...Great value...Works great. I love that it is modular at such a low price...

    Product Description

    A black semi-modular ATX 3.0 power supply with 650W output, 80+ Bronze efficiency, and PCIe Gen 5 support.
    See all Power Supplies
    Your price for this item is $79.99

  7. Thermaltake - GF1 (2024) 750W 80 PLUS Gold Fully Modular Power Supply - Black

    SKU: J39ZPC9ZL8

    Product Description

    A fully modular black power supply delivering 750W of 80 PLUS Gold efficiency with ultra-quiet cooling.
    See all Power Supplies
    Your price for this item is $89.99
    Save $10
    The previous price was $99.99

  8. Thermaltake - GF1 (2024) 850W 80 PLUS Gold Fully Modular Power Supply - Black

    SKU: J39ZPC9ZLF

    Product Description

    A fully modular black power supply delivering 850W of 80 PLUS Gold efficiency with quiet, reliable performance.
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    Your price for this item is $94.99
    Save $15
    The previous price was $109.99

  9. Power Supply Unit (ADP-300CR, CUH-70xx) (4PIN) Compatible For PlayStation 4 Pro PS4 Pro

    SKU: JXJ9WK7HZ8

    Product Description

    A black 4-pin power supply unit designed for reliable performance with PlayStation 4 Pro consoles.
    See all PS4 Consoles
    Your price for this item is $87.99
    Save $7
    The previous price was $94.99

  10. MobileSentrix - Power Supply Unit (APS-306 / EADP-185AB) Compatible For PlayStation 3 PS3 (CECH-3000)

    SKU: J2F4PJYR39

    Product Description

    A replacement power supply unit compatible with PlayStation 3 CECH-3000 models for reliable performance.
    See all Video Game Accessories
    Your price for this item is $82.99
    Save $7
    The previous price was $89.99
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