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High Wattage Power Supplies

High wattage power supplies are essential for powering high-performance systems, ensuring that your devices run smoothly and efficiently. Whether you're building a gaming rig, setting up a professional workstation, or managing a server room, these power supplies provide the robust energy output necessary to support demanding components. Designed to handle substantial electrical loads, high wattage power supplies offer reliability and stability, making them an ideal choice for tech enthusiasts and professionals alike. Explore our selection to find the perfect solution that meets your power needs while enhancing your system's overall performance.

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  1. 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 $159.19
    Save $20
    The previous price was $179.99

  2. Seasonic - PRIME PX 1600W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 80+ Platinum Fully Modular RTX 5090 AMD RX 9000 AI Workstation - Black

    SKU: C344V32X4G

    Product Description

    A fully modular 1600W black power supply with 80 PLUS Platinum efficiency and advanced cooling fan.
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    Your price for this item is $600.51

  3. Thermaltake - Toughpower SFX 1000W 80Plus Platinum ATX 3.1 Standard Power Supply - Black

    SKU: J39ZPC9V4L

    Product Description

    A fully modular black power supply with 1000W output, 80 PLUS Platinum efficiency, and ATX 3.1 compatibility.
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    Your price for this item is $161.99
    Save $39
    The previous price was $200.99

  4. 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 $99.99

  5. Thermaltake - Toughpower GT 850W 80+ Gold ATX 3.1 Power Supply - Black

    SKU: J39ZPC63FQ

    This is a great powersupply for any build, it is so quiet and powerful, doesn't even strain when I put...Great product, love the price and modularity. Packaged nicely.

    Product Description

    A fully modular black ATX 3.1 power supply with 850W output, 80+ Gold efficiency, and quiet hydraulic fan.
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    Your price for this item is $89.99
    Save $20
    The previous price was $109.99

  6. Seasonic - PRIME TX 1600W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) Cybenetics Titanium A Fully Modular RTX 5090 AMD RX 9000 - Black

    SKU: C344V32XZW

    Product Description

    A black, fully modular 1600W ATX power supply with Titanium efficiency, dual 12V-2x6 connectors, and hybrid cooling.
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    Your price for this item is $604.99

  7. 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.
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    Your price for this item is $129.99
    Save $50
    The previous price was $179.99

  8. Thermaltake - Toughpower GT 1200W ATX 3.1 PCIe 5.1 Full Modular Gold 80+ 140mm Snow

    SKU: J39TQXRSF8

    Product Description

    A fully modular white ATX power supply with 1200W output, 80 Plus Gold efficiency, and PCIe 5.1 support.
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    Your price for this item is $179.99

  9. Thermaltake - SMART 700W ATX 80 Plus Power Supply - Black

    SKU: J39ZPCS9KG

    Best power supply...Great to use for a mid tower love it best supply ever...Perfect for my new 3060ti thanks to the Best Buy lots of love

    Product Description

    A reliable black ATX power supply delivering 700W with 80 Plus efficiency and quiet 120mm cooling fan.
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    Your price for this item is $59.99

  10. Thermaltake - Dockpower FI 1000W ATX 3.1 Full Modular 80+ Gold Power Supply

    SKU: J39TQXR549

    Product Description

    A gold 1000W fully modular 80 Plus Gold power supply supporting ATX 3.1 and PCIe 5.1.
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    Your price for this item is $181.12
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FAQ

High wattage power supplies provide ample power for high-performance components, such as advanced graphics cards and multiple storage drives. They also offer better headroom for future upgrades and can enhance system stability during peak loads.

You should consider a high wattage power supply if your system includes multiple GPUs, high-end CPUs, or several peripherals. Calculating the total wattage required by your components and adding a margin for future expansion can help you decide.

Many high wattage power supplies are certified with high efficiency ratings, such as 80 PLUS Gold or Platinum. This means they waste less energy as heat and can help reduce power consumption when matched appropriately to your system's needs.

While a power supply itself doesn't directly increase performance, it ensures that all components receive stable and sufficient power, which can prevent crashes and allow hardware to operate at peak performance.

Key features to consider include modular cabling for easier installation, high efficiency ratings, quiet or smart cooling fans, and a reputable brand with reliable customer support.