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80 Plus Platinum Power Supplies

80 Plus Platinum Power Supplies offer exceptional performance for building reliable and efficient computer systems. Designed to support the demands of modern desktops, gaming rigs, and workstations, these power supplies help ensure stable energy delivery for all your components. Explore a wide selection of 80 Plus Platinum Power Supplies to find the perfect fit for your setup, whether you’re upgrading your current system or assembling a brand new PC.

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  1. CORSAIR - HXi Series 1000W 80 Plus Platinum Fully-Modular Ultra-Low Noise ATX Power Supply - Black

    SKU: J39QHT2QK7

    Product Description

    A fully modular black ATX power supply with 1000W Platinum efficiency and ultra-low noise operation.
    See all Power Supplies
    Your price for this item is $289.99

  2. CORSAIR - HXi Series HX1500i 80 PLUS Platinum Fully Modular Ultra Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39TSCHW9V

    Product Description

    A fully modular black power supply with ultra-low noise, 80 PLUS Platinum efficiency, and digital monitoring.
    See all Power Supplies
    Your price for this item is $389.99

  3. CORSAIR - HXi Series HX1200i 80 PLUS Platinum Fully Modular Ultra Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39TSCHTLL

    Product Description

    A fully modular black power supply offering 80 PLUS Platinum efficiency and ultra-low-noise fluid dynamic fan.
    See all Power Supplies
    Your price for this item is $344.99

  4. NZXT - C - 1500W ATX 3.1 80 Plus Platinum Fully Modular Power Supply Low-Noise - Black

    SKU: J3GWJHRVFZ

    Product Description

    A fully modular, low-noise ATX power supply delivering 1500W with 80 Plus Platinum efficiency in black.
    See all Power Supplies
    Your price for this item is $349.99
    Save $20
    The previous price was $369.99

  5. 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.
    See all Power Supplies
    Your price for this item is $179.99

  6. Thermaltake - Toughpower SFX 750W 80Plus Platinum ATX 3.1 Standard Power Supply - Black

    SKU: J39ZPC9V6V

    Product Description

    A fully modular black power supply featuring 80 PLUS Platinum efficiency and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $139.99
    Save $30
    The previous price was $169.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.