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computer accessories & peripherals

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power & extension cords

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. CORSAIR - RMe Series RM850e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39QHT23VT

    Works great love it easy to say I’d buy it again management is great...Still the best PSU's.Works great!...Best PSU

    Product Description

    A fully modular black power supply with Cybenetics Gold efficiency and low-noise 120mm rifle bearing fan.
    See all Power Supplies
    Your price for this item is $144.99

  2. CORSAIR - RMe Series RM750e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39QHT23ZX

    Best power supply I own...Works great nice refresh on the line definitely the best power supply I own....Best choice!...works great, I always get corsair power supplies they last forever!

    Product Description

    A fully modular black power supply offering low-noise operation, 80 PLUS Gold efficiency, and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $89.99
    Save $25
    The previous price was $114.99

  3. Insignia™ - 100W 8 ft. Laptop Power Adapter for USB-C Devices - Black

    SKU: J2FPJKSF3J

    GREAT PRODUCT, HIGHLY RECOMMEND , HIGHLY RECOMMEND BEST BUY TOO...great proucted i would tell pepole abolut it the best buy work help me with it

    Product Description

    A black 100W USB-C power adapter with a 4 ft. cable for fast, universal device charging.
    See all Laptop Chargers & Adapters
    Your price for this item is $39.99

  4. CORSAIR - RMe Series RM1000e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

    SKU: J39QHT28XQ

    Works great and yhe Best Buy team did a wonderful job getting it ready for pick up quickly....Great experience again with Best Buy and staff!!...Best ever

    Product Description

    A fully modular black power supply offering low-noise operation, Cybenetics Gold efficiency, and ATX 3.1 compatibility.
    See all Power Supplies
    Your price for this item is $139.99
    Save $50
    The previous price was $189.99

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

    SKU: J39QHT2RCL

    Love best buy products...love it...works fantastic no issues during install, price was great.

    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

  6. Tripp Lite - Series PDU Power Cord C15 to P-Lock C14 Heavy-Duty 15A 250V 14AWG 3FT - Blue

    SKU: J78C5ZHTVL

    Product Description

    A heavy-duty blue PVC power cord with C15 to P-Lock C14 connectors for secure, high-power connections.
    See all Power & Extension Cords
    Your price for this item is $174.18

  7. Tripp Lite - SERIES PDU POWER CORD C15 TO P-LOCK C14 HEAVY-DUTY 15A 250V 14AWG 3FT - Red

    SKU: J78C5ZHTVQ

    Product Description

    A heavy-duty red PVC power cord with C15 to P-Lock C14 connectors for secure, high-power connections.
    See all Power & Extension Cords
    Your price for this item is $174.18

  8. Eaton Tripp Lite Series 6 Pack of Locking C15 to C14 P-Lock Power Cord - 6ft Extension Cables, Heavy-Duty, 15A - Black

    SKU: J78C5ZHWJK

    Product Description

    A heavy-duty pack of six black locking C15 to C14 P-Lock power cords for secure server connections.
    See all Power & Extension Cords
    Your price for this item is $244.19

  9. Tripp Lite - SERIES PDU POWER CORD C15 TO P-LOCK C14 HEAVY-DUTY 15A 250V 14AWG 3FT - Black

    SKU: J78C5ZHWJ9

    Product Description

    A heavy-duty black power cord with C15 to P-Lock C14 connectors for secure, high-power network connections.
    See all Power & Extension Cords
    Your price for this item is $162.46
    Save $193
    The previous price was $355.88

  10. Eaton Tripp Lite Series PDU Power Cord, C15 to P-Lock C14 - Heavy-Duty, 15A, 250V, 14 AWG, 6 ft. (1.8 m), For - Black

    SKU: J78C5ZHW78

    Product Description

    A heavy-duty black power cord with C15 to P-Lock C14 connectors, 14 AWG, 15A, 250V.
    See all Power & Extension Cords
    Your price for this item is $57.57
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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.