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Electronics Power Supply

A power supply is an electrical component that supplies electric energy to an electrical load. A power supply may be internal or external to the equipment that uses the power supply. Power supplies are used in many different types of electrical equipment, including computers, servers, and mobile devices. Browse the top-ranked list of electronics power supplies below along with associated reviews and opinions.  

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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

    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

    Great and easy to use power supply. I love Corsair and their power supplies never disappoint....Ultra Quiet Power Supply!...The price at the time of purchase (early 2025) is great compared to other similar...

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

    SKU: J39ZPC9W9V

    Power supply...Works great. Powers my PC with no problem. I like the quiet switch on the back for sound control...Great PC power supply replacement!...Easy to replace existing gaming PC power supply....

    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

  4. Renogy - 2000W 12V Pure Sine Wave Inverter Charger w/ LCD Display - Black

    SKU: J3GTKV46KT

    With a 65a smart converter, built in transfer relay, 2kw pure wave output 6kw surge, fully programmable, custom battery support, power saver and remote generator functions. This system produces stronger...

    Product Description

    A black pure sine wave inverter charger with LCD display, supporting multiple battery types and seamless power transfer.
    See all Power Inverters
    Your price for this item is $569.99

  5. Stinger - 6000 Series 1/0GA Power Amplifier Wiring Kit for Car Audio Systems up to 4000W/300A - Blue

    SKU: J2VK4TF6ST

    Product Description

    A blue wiring kit with oxygen-free copper and tinned conductors ensures reliable, corrosion-resistant car audio power.
    See all Amp Accessories & Installation Parts
    Your price for this item is $209.99

  6. Momento - OBD8 USB-C to OBD-II Port Installation Adapter - Black

    SKU: J39HXC2RPW

    Product Description

    A black adapter that powers dash cameras via OBD-II to USB-C, enabling easy, wire-free installation.
    See all Back-Up & Dash Camera Accessories
    Your price for this item is $19.99

  7. iPort - CONNECT - CASE FOR APPLE IPAD 10.9" (10th Gen) (Each) - Black

    SKU: J78WGVFLLR

    Product Description

    A black case offering secure, versatile mounting and easy power options for 10.9" iPad business deployments.
    See all iPad Cases, Covers & Keyboard Folios
    Your price for this item is $150.00

  8. iPort - CONNECT Case for iPad Air 11” M3, iPad Air 11” M2, iPad Pro 11” (4th gen) (Each) - Black

    SKU: J78WGVFLCP

    Product Description

    A black case offering versatile mounting and power options for select iPad Air and iPad Pro models.
    See all Tablet Cases, Covers & Keyboard Folios
    Your price for this item is $124.99

  9. iPort - CONNECT- CASE for iPad Air 13” M3 | iPad Air 13” M2 | iPad Pro 12.9” (6th gen) (Each) - Black

    SKU: J78WGVFL2C

    Product Description

    A versatile black case offering secure mounting and easy power options for business iPad deployments.
    See all Tablet Cases, Covers & Keyboard Folios
    Your price for this item is $174.99

  10. iPort - CONNECT - CASE FOR APPLE IPAD 10.2" (9th Gen) (Each) - Black

    SKU: J78WGVFL2Y

    Product Description

    A versatile black case designed for secure iPad mounting and easy power in business environments.
    See all Tablet Cases, Covers & Keyboard Folios
    Your price for this item is $150.00
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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.