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

    SKU: J39QHT23ZX

    Works great, easy to install, Just need to get the old one back to Best Buy to dispose of it....Works great nice refresh on the line definitely the best power supply I own....Best power supply I own

    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. PCCOOLER - P5-YN850-G1FFBK1-US 850W Gold Modular ATX 3.1 Power Supply - Black

    SKU: CZ92Y4Z4ZP

    Product Description

    A fully modular 850W ATX 3.1 power supply in black with 80 Plus Gold efficiency.
    See all Power Supplies
    Your price for this item is $124.90
  4. Pyramid - Universal Compact Bench Power Supply - 2.5 Amp Linear Regulated Home Lab Benchtop AC-to-DC 12V Converter - Black

    SKU: J7SGX3J598

    Product Description

    A compact black linear regulated power supply delivering 13.8V DC at 2.5 amps for sensitive electronics.
    See all Portable Chargers & Power Banks
    Your price for this item is $42.99
  5. Pyramid - Bench Power Supply | AC-to-DC Power Converter | 10 Amp Power Supply (PS12KX) - Black

    SKU: J7SGX3J5H3

    Product Description

    A reliable black AC-to-DC power converter delivering 10 amps of regulated DC output for electronics testing.
    See all Portable Chargers & Power Banks
    Your price for this item is $117.69
  6. Digi International - Digi Power Supply

    SKU: JXLQFHKW4T

    Product Description

    A dual power supply kit with 80 PLUS efficiency, non-modular ATX design, and port-side intake.
    See all Power Supplies
    Your price for this item is $578.97
  7. Pyramid - Gold Series 70-Watt Input 5-Amp Constant Bench Power Supply - Black

    SKU: J7SGX2G72W

    Product Description

    A reliable black and gold bench power supply delivering 70 watts and 5 amps with built-in safety features.
    See all All Car Audio
    Your price for this item is $80.27
  8. Pyramid - PSV500 Universal Compact 50 Amp Adjustable 12 to 15 Volts Output Home Bench Power Converter Supply - Black

    SKU: J36C98YPTJ

    Product Description

    A compact black power supply delivering adjustable 12–15V output and up to 50 amps for demanding electronics.
    See all Portable Chargers & Power Banks
    Your price for this item is $129.99
    Save $9
    The previous price was $138.99
  9. iFi Audio - iPower Elite Low Noise Power Supply Adapter - Gray

    SKU: CLX2KHG329

    Product Description

    A gray aircraft-grade aluminum power adapter delivering ultra-low noise, clean energy for high-end audio devices.
    See all Charging Blocks & Power Adapters
    Your price for this item is $299.00

FAQ

Electronics power supplies listed here are compatible with a wide range of devices, including desktop computers, gaming consoles, audio equipment, and networking devices. Always check your device’s voltage and connector requirements to ensure compatibility.

To select the right wattage, consider the total power consumption of all components in your device. It's recommended to choose a power supply with a slightly higher wattage than your system requires to allow for future upgrades and optimal performance.

Yes, we offer a selection of modular, semi-modular, and non-modular power supplies. Modular power supplies allow you to connect only the cables you need, helping with cable management and airflow inside your device.

Many of the power supplies featured here are certified with energy efficiency ratings such as 80 PLUS Bronze, Silver, Gold, or Platinum. These certifications indicate higher energy efficiency and lower power consumption.

Absolutely. Our selection includes power supplies with various connector types, such as ATX, EPS, PCIe, SATA, and Molex, to ensure compatibility with different electronics and components.