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Best Buy

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computer cards & components

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power supplies

Electronic Parts Supply

From cables and connectors to resistors and capacitors, we have everything you need to bring your tech projects to life. Whether you're a DIY enthusiast or a seasoned professional, our wide range of high-quality electronic parts ensures that you'll find exactly what you're looking for. With Best Buy's commitment to excellence and our extensive inventory, you can trust us to be your go-to destination for all your electronic parts needs. Browse the top-ranked list of electronic parts supplies below along with associated reviews and opinions.

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  1. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 850W Semi-Modular Power Supply - Black

    SKU: J39ZPC9W4P

    Worked out the best can’t wait to get another one later on...Easy install and I love the modular nature, so there are fewer cables clogging up the guts of my PC....Works great.

    Product Description

    A black semi-modular 850W power supply with 80+ Bronze efficiency and PCIe Gen 5.0 support.
    See all Power Supplies
    Your price for this item is $87.99
    Save $12
    The previous price was $99.99

  2. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 750W Semi-Modular Power Supply - Black

    SKU: J39ZPC9WTX

    Great Product...Great product and easily installed through the Best Buy Geek Squad!...Great PSU with Upgradeability....One of the best bang for your buck power supplies on the market....Never had an issue...

    Product Description

    A black semi-modular 750W power supply with 80+ Bronze efficiency and PCIe Gen 5.0 support.
    See all Power Supplies
    Your price for this item is $79.99
    Save $10
    The previous price was $89.99

  3. 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 $43.99

  4. Best Buy essentials™ - 6' 18 AWG C5 Clover Leaf Power Cord - Black

    SKU: J2FPJKSTGJ

    Best power cord I’ve gotten work great for the tv I was selling...Best Buy is a great place to find good products at good prices!

    Product Description

    A black 6-foot grounded power cord with a C5 clover leaf connector for select electronic devices.
    See all Power Cords & Strips
    Your price for this item is $9.99

  5. Metra - AFS Fused Distribution Block - Black

    SKU: J7RX7L5P2Y

    Great Product. Essential to Great Car Audio....Great products to complete my car audio installation....The technician was extremely knowledgeable and made every effort to ensure my experience with Best...

    Product Description

    A black copper distribution block that safeguards vehicle electronics from power surges for lasting protection.
    See all Fuses & Capacitors
    Your price for this item is $34.99

  6. Metra - Heise 12V Power Supply - Multi

    SKU: J7RX7YJ2X2

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

    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

  7. KICKER - AFS Fuse (2-Pack) - Silver/Neon Green

    SKU: JXHZRT8HKL

    Great fuse...Worked great, like always! Best fuses in the market...Best car fuse to buy fix really well and easy to see

    Product Description

    A pack of two silver and neon green 100-amp fuses with platinum plating for optimal conductivity.
    See all Fuses & Capacitors
    Your price for this item is $9.99

  8. Stinger - enLIGHT10 Dynamic Solder-On Connectors (8-Pack) - Black

    SKU: J2VK4WXWHF

    Product Description

    A set of black solder-on connectors with heat shrink pieces for safely terminating dynamic lighting chains.
    See all Car Installation Parts & Accessories
    Your price for this item is $29.99

  9. Eaton - RELAY CARD MS - Black

    SKU: JX4K7ZPS7P

    Product Description

    A black relay card designed for compatibility with Eaton 5PX G2, 9SX, and 9PX models.
    See all Cell Phone Car Chargers
    Your price for this item is $144.05

  10. Pyle - 30-Amp Heavy-Duty Switching Power Supply with Cooling Fan - Black

    SKU: J7SGX36S8J

    Product Description

    A heavy-duty black power supply delivering 30 amps with cooling fan, overload protection, and universal terminals.
    See all Portable Chargers & Power Banks
    Your price for this item is $100.99
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FAQ

You can find a wide variety of electronic parts including resistors, capacitors, transistors, connectors, relays, switches, sensors, circuit boards, and more, suitable for DIY projects, repairs, and upgrades.

Yes, our selection includes parts that are ideal for both hobbyists and professionals, making them suitable for a range of applications from simple repairs to complex electronic builds.

Absolutely! We offer many components that are commonly used in household electronics, allowing you to repair or upgrade devices such as TVs, audio systems, computers, and more.

Yes, we carry a selection of branded electronic parts as well as universal components that can fit a variety of devices. Be sure to check the product descriptions for compatibility details.

Technical specifications and datasheets are typically available on each product’s listing page under the 'Product Details' or 'Specifications' section for your reference.