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Best Buy customers often prefer the following products when searching for 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 - SF-L Series SF850L 80 Plus Gold Fully Modular ATX Power Supply - Black - Front_Zoom
    Top comment

    "Power supply...Building a mini PC so needed a smaller power supply. This fit perfect....Great power supply for the price and can handle my 7800XT and 7800X3D with ease."

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    Product Description

    CORSAIR SF-L Series Fully Modular SFX Power Supplies with ATX 3.0 and PCIe 5.0 compliance provide the continuous high wattages demanded by the latest PC hardware, all in a space-saving SFX-L form-factor. Micro-fit PSU connectors and fully modular, flexible cables enable a tidy and compact build, even for exceedingly powerful systems. A 120mm rifle bearing PWM fan deploys Zero RPM mode at lower loads for exceptionally quiet performance. Japanese 105°C-rated electrolytic capacitors deliver long life and reliability, backed by a seven-year warranty. Wake your computer faster and consume less power with Modern Standby sleep mode. For high-wattage, 80 PLUS Gold power in a compact profile, the SF-L Series is your small form X-factor.
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    Top comment

    "Power supply...Building a mini PC so needed a smaller power supply. This fit perfect....Great power supply for the price and can handle my 7800XT and 7800X3D with ease."

    See all customer reviews

    Product Description

    CORSAIR SF-L Series Fully Modular SFX Power Supplies with ATX 3.0 and PCIe 5.0 compliance provide the continuous high wattages demanded by the latest PC hardware, all in a space-saving SFX-L form-factor. Micro-fit PSU connectors and fully modular, flexible cables enable a tidy and compact build, even for exceedingly powerful systems. A 120mm rifle bearing PWM fan deploys Zero RPM mode at lower loads for exceptionally quiet performance. Japanese 105°C-rated electrolytic capacitors deliver long life and reliability, backed by a seven-year warranty. Wake your computer faster and consume less power with Modern Standby sleep mode. For high-wattage, 80 PLUS Gold power in a compact profile, the SF-L Series is your small form X-factor.
    See all Power Supplies
    See all Power Supplies
  2. CORSAIR - HXi Series 1000W 80 Plus Platinum Fully-Modular Ultra-Low Noise ATX Power Supply - Black - Front_Zoom
    Top comment

    "Purchased this power supply to replace the original power supply in a pre-build gaming desktop that had gone bad. ...1000w power supply...Great power supply I’ve never had any problems out of it"

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    Product Description

    CORSAIR HXi Series Fully Modular Ultra-Low Noise Power Supplies deliver exceptional 80 PLUS Platinum efficient power and low-noise fluid dynamic bearing fan performance. ATX 3.0 and PCIe 5.0 compliance, HXi PSUs have every connection needed to power today’s most demanding PC upgrades. Powerful CORSAIR iCUE software enables custom fan curves, monitoring and adjusting power settings, and more thanks to a fully digital platform. Japanese 105°C-rated electrolytic capacitors deliver long life and reliability, backed by a tenyear warranty. Wake your computer faster and consume less power with Modern Standby sleep mode. Zero RPM mode ensures near-silent operation at low and medium loads. The HXi Series puts platinum power at your command.
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    Top comment

    "Purchased this power supply to replace the original power supply in a pre-build gaming desktop that had gone bad. ...1000w power supply...Great power supply I’ve never had any problems out of it"

    See all customer reviews

    Product Description

    CORSAIR HXi Series Fully Modular Ultra-Low Noise Power Supplies deliver exceptional 80 PLUS Platinum efficient power and low-noise fluid dynamic bearing fan performance. ATX 3.0 and PCIe 5.0 compliance, HXi PSUs have every connection needed to power today’s most demanding PC upgrades. Powerful CORSAIR iCUE software enables custom fan curves, monitoring and adjusting power settings, and more thanks to a fully digital platform. Japanese 105°C-rated electrolytic capacitors deliver long life and reliability, backed by a tenyear warranty. Wake your computer faster and consume less power with Modern Standby sleep mode. Zero RPM mode ensures near-silent operation at low and medium loads. The HXi Series puts platinum power at your command.
    See all Power Supplies
    See all Power Supplies
  3. Thermaltake - Smart BM3 80+ Bronze  PCIE Gen 5 ATX 3.0 650W Semi-Modular Power Supply - Black - Front_Zoom

    Product Description

    Power Up the Next Generation Hardware. Smart BM3 80 PLUS Bronze certified semi modular power supply unit is designed to meet ATX 3.0 standards, it also comes with one PCIe Gen 5.0 (12VHPWR) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.
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    Product Description

    Power Up the Next Generation Hardware. Smart BM3 80 PLUS Bronze certified semi modular power supply unit is designed to meet ATX 3.0 standards, it also comes with one PCIe Gen 5.0 (12VHPWR) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.
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    See all Power Supplies
  4. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 750W Semi-Modular Power Supply - Black - Front_Zoom

    Product Description

    Power Up the Next Generation Hardware. Smart BM3 80 PLUS Bronze certified semi modular power supply unit is designed to meet ATX 3.0 standards, it also comes with one PCIe Gen 5.0 (12VHPWR) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.
    See all Power Supplies

    Product Description

    Power Up the Next Generation Hardware. Smart BM3 80 PLUS Bronze certified semi modular power supply unit is designed to meet ATX 3.0 standards, it also comes with one PCIe Gen 5.0 (12VHPWR) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.
    See all Power Supplies
    See all Power Supplies
  5. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 850W Semi-Modular Power Supply - Black - Front_Zoom
    Top comment

    "Great power!...Great power supply for budget"

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    Product Description

    Power Up the Next Generation Hardware. Smart BM3 80 PLUS Bronze certified semi modular power supply unit is designed to meet ATX 3.0 standards, it also comes with one PCIe Gen 5.0 (12VHPWR) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.
    See all Power Supplies
    Top comment

    "Great power!...Great power supply for budget"

    See all customer reviews

    Product Description

    Power Up the Next Generation Hardware. Smart BM3 80 PLUS Bronze certified semi modular power supply unit is designed to meet ATX 3.0 standards, it also comes with one PCIe Gen 5.0 (12VHPWR) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.
    See all Power Supplies
    See all Power Supplies
  6. MSI - A750GL PCIE 5 750W ATX 3.0 Full Modular 80 Plus Gold Gaming Power Supply - Black - Front_Zoom

    Product Description

    The MAG A750GL PCIE5 power supply overflows with potency, a hallmark of the MAG series that aligns with gamers' pursuit of excellence. Infused with military-inspired elements, these gaming products have evolved into symbols of resilience. Efficiency matters, impacting performance and power use. The 80 PLUS Gold certification pledges lower energy consumption and higher efficiency. Compact and efficient, the A750GL PCIE5 optimizes space and cable organization. Unneeded connectors are eliminated, reducing clutter and simplifying builds. Unused cables find refuge in the included cable pack. Cable organization, a common woe, finds a solution. Flat cables streamline management, enhancing airflow and orderliness. The power supply's fan employs fluid dynamic bearing, balancing cooling and noise. DC to DC and Full Bridge merge for higher efficiency and stable voltage, adapting swiftly to different needs. Sufficient power reigns, as the single rail supply caters to high-performance GPUs and CPUs with 5 CPU & PCI-E slots. Safety is paramount. Protective mechanisms ensure stability, empowering worry-free operation. In essence, the MAG A750GL PCIE5 epitomizes power, space-efficiency, cable harmony, and safety. A pinnacle of technology in the MAG series, empowering triumphant gaming while embodying its spirit.
    See all Power Supplies

    Product Description

    The MAG A750GL PCIE5 power supply overflows with potency, a hallmark of the MAG series that aligns with gamers' pursuit of excellence. Infused with military-inspired elements, these gaming products have evolved into symbols of resilience. Efficiency matters, impacting performance and power use. The 80 PLUS Gold certification pledges lower energy consumption and higher efficiency. Compact and efficient, the A750GL PCIE5 optimizes space and cable organization. Unneeded connectors are eliminated, reducing clutter and simplifying builds. Unused cables find refuge in the included cable pack. Cable organization, a common woe, finds a solution. Flat cables streamline management, enhancing airflow and orderliness. The power supply's fan employs fluid dynamic bearing, balancing cooling and noise. DC to DC and Full Bridge merge for higher efficiency and stable voltage, adapting swiftly to different needs. Sufficient power reigns, as the single rail supply caters to high-performance GPUs and CPUs with 5 CPU & PCI-E slots. Safety is paramount. Protective mechanisms ensure stability, empowering worry-free operation. In essence, the MAG A750GL PCIE5 epitomizes power, space-efficiency, cable harmony, and safety. A pinnacle of technology in the MAG series, empowering triumphant gaming while embodying its spirit.
    See all Power Supplies
    See all Power Supplies
  7. Thermaltake - Toughpower GF A3 1050W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Front_Zoom
    Top comment

    "Beat power aupply...Beat power supply , no sound on fans , smart fan option"

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    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
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    Top comment

    "Beat power aupply...Beat power supply , no sound on fans , smart fan option"

    See all customer reviews

    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
    See all Power Supplies
    See all Power Supplies
  8. Thermaltake - Toughpower GF A3 750W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Front_Zoom
    Top comment

    "Power supply"

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    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
    See all Power Supplies
    Top comment

    "Power supply"

    See all customer reviews

    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
    See all Power Supplies
    See all Power Supplies
  9. Thermaltake - Toughpower GF A3 650W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Front_Zoom

    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
    See all Power Supplies

    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
    See all Power Supplies
    See all Power Supplies
  10. Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Front_Zoom
    Top comment

    "Great power supply 850 watt, upgraded from a 650 watt"

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    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
    See all Power Supplies
    Top comment

    "Great power supply 850 watt, upgraded from a 650 watt"

    See all customer reviews

    Product Description

    Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
    See all Power Supplies
    See all Power Supplies
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