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Largest Computer Power Supply

A power supply is an electrical device that supplies electric power to an electrical load. It is one of the most important components in a computer, because it is what provides the power to all of the other components. Browse the top-ranked list of largest computer power supplies below along with associated reviews and opinions.

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  1. CORSAIR - RMe Series RM1200e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.0 Power Supply - Black

    SKU: J39QHT2RCL

    I’m loving this power supply, stays cool, has no coil winding and powers everything perfectly...Love corsair power supplies....Great power supply so far just put it in my build.

    Product Description

    A fully modular black power supply offering 1200W, low-noise operation, and 80 PLUS Gold efficiency.
    See all Power Supplies
    Your price for this item is $234.99

  2. 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 $299.99
    Save $45
    The previous price was $344.99

  3. 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

  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. MSI - MEG Ai1600T PCIE5 1600W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Titanium Gaming Power Supply - Black

    SKU: J3P7TXSVTW

    Product Description

    A fully modular 1600W black power supply with 80 Plus Titanium efficiency and PCIe 5.1 support.
    See all Power Supplies
    Your price for this item is $677.99
    Save $92
    The previous price was $769.99

  6. MSI - MAG A1000GLS PCIE5 1000W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

    SKU: J3P7TX6S5V

    Product Description

    A fully modular black power supply with 1000W output, ATX 3.1, PCIe 5.1, and 80 Plus Gold efficiency.
    See all Power Supplies
    Your price for this item is $139.99
    Save $20
    The previous price was $159.99

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

    SKU: J39ZPC9RKV

    Excellent power supply...Excellent power supply with lots of modular cabling options including the new connector for the latest GPUs. ...Power supply...Works great computer stopped power off after I bought...

    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 $154.99
    Save $15
    The previous price was $169.99

  8. NZXT - C 1000W ATX 3.1 80 Plus Gold Fully Modular Power Supply - Black

    SKU: J3GWJHQJQ5

    Awesome power supply...Awesome power supply no problems still trying figure out some of the cables ....Excelente presentation, quality of the items, very good power supply and recommended.

    Product Description

    A fully modular black ATX power supply with 1000W output, 80 Plus Gold efficiency, and quiet operation.
    See all Power Supplies
    Your price for this item is $139.99
    Save $40
    The previous price was $179.99

  9. Thermaltake - Toughpower GF A3 1050W 80+ Gold PCIe Gen 5 ATX 3.1 Fully Modular Power Supply - Snow

    SKU: J39ZPC9KPW

    Product Description

    A fully modular white and gold ATX 3.1 power supply with 1050W output and PCIe Gen 5 support.
    See all Power Supplies
    Your price for this item is $169.99

  10. Thermaltake - Toughpower GT 1200W 80+ Gold ATX 3.1 Power Supply - Black

    SKU: J39TQXRSQL

    Product Description

    A fully modular black power supply delivering 1200W, 80 Plus Gold efficiency, and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $149.99
    Save $30
    The previous price was $179.99
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