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Small Power Supply

A power supply is an electrical component that supplies electrical power to a load. It is one of the most important parts of a computer, as it provides the energy needed to run all of the components in the computer. Browse the top-ranked list of small power supplies below along with associated reviews and opinions. 

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  1. 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
  2. Pig Hog - PP9V Pig Power 9V DC 1000ma Power Supply - Black

    SKU: JXPX99932W

    Product Description

    A black universal 9V DC power supply with 1000mA output, 10 ft cable, and international compatibility.
    See all Charging Blocks & Power Adapters
    Your price for this item is $33.51
  3. Pyramid - Universal Compact Bench Power Supply - 6 Amp Linear Regulated Home Lab Benchtop AC-to-DC 12V Converter w/ 13.8 V - Black

    SKU: J7SGX3J569

    Product Description

    A compact black linear regulated power supply delivering stable 13.8V DC output with overcurrent protection.
    See all Portable Chargers & Power Banks
    Your price for this item is $51.99
  4. HP - Desktop Mini 65w Power Supply Kit - 65 W - 120 V AC, 230 V AC Input - 1 - Black

    SKU: J3ZT6F9TRY

    I ordered one from Best Buy. Now I can use my Computer again!

    Product Description

    A black power supply kit compatible with select HP Desktop Mini models, supporting 65W output and dual voltage input.
    See all Laptop Chargers & Adapters
    Your price for this item is $29.99
    Save $10
    The previous price was $39.99
  5. Pyramid - Universal Compact Bench Power Supply - 12 Amp Linear Regulated Home Lab Benchtop AC-to-DC 12V Converter - Black

    SKU: J7SGX3J5H9

    Product Description

    A compact black AC-to-DC converter delivering 12V, 12A linear regulated power for precise electronics work.
    See all Portable Chargers & Power Banks
    Your price for this item is $153.56
  6. 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
  7. Super Flower - SFX (Small Form Factor) Combat SFX FP 850W 80+ Platinum, Full Modular, ATX 3.1&PCIe 5.1, W/12V-2x6, SFX Power Supply - Black

    SKU: C34528PQZR

    Product Description

    A fully modular black SFX power supply with 850W, 80+ Platinum efficiency, and PCIe 5.1 support.
    See all Power Supplies
    Your price for this item is $134.99
    Save $5
    The previous price was $139.99
  8. Pyramid - Universal Compact Bench Power Supply - 7 Amp Regulated Home Lab Benchtop AC-Dc Converter Power Supply for CB Radio - Black

    SKU: J36C98YQFT

    Product Description

    A compact black regulated power supply delivering stable 12V DC output for radios and lab electronics.
    See all Portable Chargers & Power Banks
    Your price for this item is $60.99
    Save $4
    The previous price was $64.99
  9. Metra - Heise 12V Power Supply - Multi

    SKU: J7RX7YJ2X2

    Found this power supply connection at best buy work very good...They could sell me a new one but recommended I check out Best Buy....The Best Buy cost was 60% less than the price they quoted and came...

    Product Description

    A lightweight multi-color 12V power supply delivering 2 amps for single-color LED lighting systems.
    See all Lighting
    Your price for this item is $22.99
  10. Super Flower - SFX (Small Form Factor) Combat SFX FP 1000W 80+ Platinum, Full Modular, ATX 3.1&PCIe 5.1, W/12V-2x6, SFX Power Supply - Black

    SKU: C34528PQZ4

    Product Description

    A fully modular black SFX power supply with 1000W output, 80+ Platinum efficiency, and PCIe 5.1 support.
    See all Power Supplies
    Your price for this item is $149.99
    Save $10
    The previous price was $159.99

FAQ

Small power supplies are typically compatible with a variety of devices such as mini PCs, LED lighting systems, routers, external hard drives, and other low-power electronics. Always check the voltage and connector type to ensure compatibility with your specific device.

Yes, small power supplies are popular choices for DIY electronics projects, including Arduino, Raspberry Pi, and other microcontroller-based setups. Make sure to select a power supply that matches your project's voltage and current requirements.

Many small power supplies include built-in protection features such as over-voltage, over-current, and short-circuit protection to help safeguard your devices and ensure reliable operation.

Yes, small power supplies are available with a variety of connector types, including barrel jacks, USB, and screw terminals. It's important to choose the correct connector that matches your device's input port.

You can usually find the required voltage and amperage for your device on its label or in the user manual. It's important to match the voltage exactly and ensure the power supply can provide at least as much current (amperage) as your device needs.