Skip to content
Main Content

big power supply

No content

Best Buy customers often prefer the following products when searching for big power supply.

Power supplies are one of the most essentials parts of your PC. They're the workhorses that keep everything else running, so it's important to consider which power supply is best for your needs. Browse the top-ranked list of big power supplies below along with associated reviews and opinions.

Main Results
  1. MSI MPG A850G PCIE 5 - Full Modular – 80 Plus Gold 850W - 100% Japanese 105°C Capacitors – ATX 3.0 Gaming Power Supply - Black - Front_Zoom
    Top comment

    "The zero-fan button on the power supply is nice and provides the option to run fan for better cooling, or for it to only power on when power supply is under load. ...Excellent power supply for the rtx 4090 cards works very well and silent 100% recommended...MSI 850W Power Supply...Great power supply"

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 80+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
    See all Power Supplies
    Top comment

    "The zero-fan button on the power supply is nice and provides the option to run fan for better cooling, or for it to only power on when power supply is under load. ...Excellent power supply for the rtx 4090 cards works very well and silent 100% recommended...MSI 850W Power Supply...Great power supply"

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 80+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
    See all Power Supplies
    See all Power Supplies
  2. CORSAIR - HXi Series HX1000i 80 PLUS Platinum Fully Modular Ultra-Low Noise ATX Power Supply - Black - Front_Zoom
    Top comment

    "Reliable, Efficient Power Supply...Purchased this power supply as a replacement. Provides stable power especially when overclocking. ...Awesome power supply...Got this to power my 4080 and have had no problems definitely recommend"

    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. With three EPS12V connectors, 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 ten-year 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
    Top comment

    "Reliable, Efficient Power Supply...Purchased this power supply as a replacement. Provides stable power especially when overclocking. ...Awesome power supply...Got this to power my 4080 and have had no problems definitely recommend"

    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. With three EPS12V connectors, 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 ten-year 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. MSI MPG A1000G PCIE 5 - Full Modular - 80 Plus Gold 1000W - 100% Japanese 105°C Capacitors - ATX 3.0 Gaming Power Supply - Black - Front_Zoom
    Top comment

    "MSI power supply...Msi power supply,perfect for RTX 40 series. The cable was supplied with this power supply....40xx gpu ready power supply pcie5...these ver 3 power supplies do not supply certain power that older boards need and can only be used on the latest and greatest motherboards."

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 90+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
    See all Power Supplies
    Top comment

    "MSI power supply...Msi power supply,perfect for RTX 40 series. The cable was supplied with this power supply....40xx gpu ready power supply pcie5...these ver 3 power supplies do not supply certain power that older boards need and can only be used on the latest and greatest motherboards."

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 90+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
    See all Power Supplies
    See all Power Supplies
  4. EVGA - BQ Series 750W ATX12V/EPS12V Bronze Semi Modular Power supply - Black - Front_Zoom
    Top comment

    "great power supply...Still a good power supply....Power Supply Review...This power supply worked but no longer needed it and sent it in for a return."

    See all customer reviews

    Product Description

    Introducing the next generation in value; the EVGA BQ Series. These power supplies take some of the best features from EVGA's award winning power supply lineup, like a 140mm fan with near silent operation and modular cables to make one of the best values today in high performance power supplies.
    See all Power Supplies
    Top comment

    "great power supply...Still a good power supply....Power Supply Review...This power supply worked but no longer needed it and sent it in for a return."

    See all customer reviews

    Product Description

    Introducing the next generation in value; the EVGA BQ Series. These power supplies take some of the best features from EVGA's award winning power supply lineup, like a 140mm fan with near silent operation and modular cables to make one of the best values today in high performance power supplies.
    See all Power Supplies
    See all Power Supplies
  5. CORSAIR - RM Series RM750 750W ATX 80 PLUS GOLD Certified Fully Modular Power Supply - White - Front_Zoom
    Top comment

    "Small box big power...Power source...Excellent power supply… Would recommend. Great color!"

    See all customer reviews

    Product Description

    CORSAIR RM Series Fully Modular Ultra-Low Noise Power Supplies deliver consistent 80 PLUS Gold efficient power to your PC. With triple EPS12V cables and four PCIe 8-pin power connectors, RM PSUs have all the connections needed to power today’s most demanding PC upgrades. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance and reliability, backed by a ten-year warranty. Wake your computer faster and consume less power with support for the Modern Standby sleep mode. Zero RPM fan mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you connect only the cables your system requires. RM PSUs are quiet, efficient, and dependable to power your high-performance PC for years to come.
    See all Power Supplies
    Top comment

    "Small box big power...Power source...Excellent power supply… Would recommend. Great color!"

    See all customer reviews

    Product Description

    CORSAIR RM Series Fully Modular Ultra-Low Noise Power Supplies deliver consistent 80 PLUS Gold efficient power to your PC. With triple EPS12V cables and four PCIe 8-pin power connectors, RM PSUs have all the connections needed to power today’s most demanding PC upgrades. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance and reliability, backed by a ten-year warranty. Wake your computer faster and consume less power with support for the Modern Standby sleep mode. Zero RPM fan mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you connect only the cables your system requires. RM PSUs are quiet, efficient, and dependable to power your high-performance PC for years to come.
    See all Power Supplies
    See all Power Supplies
  6. Microsoft - Surface 127W Power Supply - Black - Front_Zoom
    Top comment

    "Microsoft Surface 127W Power Supply...Thankfully, it was in stock at our local store! This power supply cord charges her Microsoft Surface laptop faster than the original power supply cord....The power supply does what is supposed to do and supplies the required power needed to change my Surface quickly."

    See all customer reviews

    Product Description

    Power your Microsoft Surface device with this Microsoft power supply wall charger. The maximum power output of up to 127W provides quick recharging to batteries, while the lightweight design offers easy carrying. This Microsoft Surface power supply wall charger features an additional USB port that lets you connect another device for simultaneous charging.
    See all Laptop Chargers & Adapters
    Top comment

    "Microsoft Surface 127W Power Supply...Thankfully, it was in stock at our local store! This power supply cord charges her Microsoft Surface laptop faster than the original power supply cord....The power supply does what is supposed to do and supplies the required power needed to change my Surface quickly."

    See all customer reviews

    Product Description

    Power your Microsoft Surface device with this Microsoft power supply wall charger. The maximum power output of up to 127W provides quick recharging to batteries, while the lightweight design offers easy carrying. This Microsoft Surface power supply wall charger features an additional USB port that lets you connect another device for simultaneous charging.
    See all Laptop Chargers & Adapters
    See all Laptop Chargers & Adapters
  7. EVGA - GT Series 850W Auto Eco Mode with FDB Fan 80 Plus Power Supply - Front_Zoom
    Top comment

    "Solid Power Supply...I got this for a replacement of an older 750. It powers my computer as it should. I see how it does after 6 months....Powers RTX4080 with ease!...Needed a really good power supply that was reliable. That would power up an RTX4080 this power supply did not disappoint. "

    See all customer reviews

    Product Description

    Introducing the EVGA SuperNOVA GT Series of power supplies - the newest addition to the outstanding line of EVGA Power Supplies. Featuring 80 Plus Gold certification, 100% Japanese capacitors, a fluid dynamic bearing fan, and a fully modular design, this power supply is built for long-term usage and durability. Building upon EVGA's line of 80 Plus Gold rated power supplies, the EVGA GT Series combines all these features at a great price.
    See all Power Supplies
    Top comment

    "Solid Power Supply...I got this for a replacement of an older 750. It powers my computer as it should. I see how it does after 6 months....Powers RTX4080 with ease!...Needed a really good power supply that was reliable. That would power up an RTX4080 this power supply did not disappoint. "

    See all customer reviews

    Product Description

    Introducing the EVGA SuperNOVA GT Series of power supplies - the newest addition to the outstanding line of EVGA Power Supplies. Featuring 80 Plus Gold certification, 100% Japanese capacitors, a fluid dynamic bearing fan, and a fully modular design, this power supply is built for long-term usage and durability. Building upon EVGA's line of 80 Plus Gold rated power supplies, the EVGA GT Series combines all these features at a great price.
    See all Power Supplies
    See all Power Supplies
  8. EVGA - SuperNOVA 1300W GT Power Supply - Front_Zoom

    Model: 220-GT-1300-X1
    SKU: 6500780
    Top comment

    "This modular power supply is excellent...This modular power supply is excellent. I recommend it for anyone that has a power hungry video card....Ready for the big boys ? this power supply will handle all the toys . "

    See all customer reviews

    Product Description

    Introducing the EVGA SuperNOVA GT Series of power supplies - the newest addition to the outstanding line of EVGA Power Supplies. Featuring 80 Plus Gold certification, 100% Japanese capacitors, a fluid dynamic bearing fan, and a fully modular design, this power supply is built for long-term usage and durability. Building upon EVGA's line of 80 Plus Gold rated power supplies, the EVGA GT Series combines all these features at a great price.
    See all Power Supplies
    Top comment

    "This modular power supply is excellent...This modular power supply is excellent. I recommend it for anyone that has a power hungry video card....Ready for the big boys ? this power supply will handle all the toys . "

    See all customer reviews

    Product Description

    Introducing the EVGA SuperNOVA GT Series of power supplies - the newest addition to the outstanding line of EVGA Power Supplies. Featuring 80 Plus Gold certification, 100% Japanese capacitors, a fluid dynamic bearing fan, and a fully modular design, this power supply is built for long-term usage and durability. Building upon EVGA's line of 80 Plus Gold rated power supplies, the EVGA GT Series combines all these features at a great price.
    See all Power Supplies
    See all Power Supplies
  9. CORSAIR - CX-M Series CX650M Semi-Modular Low-Noise ATX Power Supply - Black - Front_Zoom
    Top comment

    "Solid replacement power supply...Needed a solid power supply to quickly get a PC up and running quickly after sudden failure of current power supply. ...POWER SUPPLY...Great power supply, very smooth, itbworks great easy to install."

    See all customer reviews

    Product Description

    CORSAIR CX-M Series Low-Noise Power Supplies offer 80 PLUS Bronze efficiency and semi-modular cabling for reliable, low-noise operation. With Dual EPS12V cables and two/four PCIe 8-pin power connectors, CX-M PSUs have all the connections needed to power today’s most demanding PC upgrades. Japanese 105°C-rated capacitors deliver superb electrical performance and reliability for your system, backed by a five-year warranty. Robust DC-DC conversion ensures clean, consistent power for all your components and peripherals. With a compact 140mm size allowing for great flexibility in build configurations, CX-M Series power supplies deliver reliable power for nearly any build.
    See all Power Supplies
    Top comment

    "Solid replacement power supply...Needed a solid power supply to quickly get a PC up and running quickly after sudden failure of current power supply. ...POWER SUPPLY...Great power supply, very smooth, itbworks great easy to install."

    See all customer reviews

    Product Description

    CORSAIR CX-M Series Low-Noise Power Supplies offer 80 PLUS Bronze efficiency and semi-modular cabling for reliable, low-noise operation. With Dual EPS12V cables and two/four PCIe 8-pin power connectors, CX-M PSUs have all the connections needed to power today’s most demanding PC upgrades. Japanese 105°C-rated capacitors deliver superb electrical performance and reliability for your system, backed by a five-year warranty. Robust DC-DC conversion ensures clean, consistent power for all your components and peripherals. With a compact 140mm size allowing for great flexibility in build configurations, CX-M Series power supplies deliver reliable power for nearly any build.
    See all Power Supplies
    See all Power Supplies
  10. CORSAIR - CX-M Series CX750M Semi-Modular Low-Noise ATX Power Supply - Black - Front_Zoom
    Top comment

    "Power Supply...Worked great, powers 6 1660supers, MOBO, and my CPU without issues....Great Power Supply...Powers system with no problem."

    See all customer reviews

    Product Description

    CORSAIR CX-M Series Low-Noise Power Supplies offer 80 PLUS Bronze efficiency and semi-modular cabling for reliable, low-noise operation. With Dual EPS12V cables and two/four PCIe 8-pin power connectors, CX-M PSUs have all the connections needed to power today’s most demanding PC upgrades. Japanese 105°C-rated capacitors deliver superb electrical performance and reliability for your system, backed by a five-year warranty. Robust DC-DC conversion ensures clean, consistent power for all your components and peripherals. With a compact 140mm size allowing for great flexibility in build configurations, CX-M Series power supplies deliver reliable power for nearly any build.
    See all Power Supplies
    Top comment

    "Power Supply...Worked great, powers 6 1660supers, MOBO, and my CPU without issues....Great Power Supply...Powers system with no problem."

    See all customer reviews

    Product Description

    CORSAIR CX-M Series Low-Noise Power Supplies offer 80 PLUS Bronze efficiency and semi-modular cabling for reliable, low-noise operation. With Dual EPS12V cables and two/four PCIe 8-pin power connectors, CX-M PSUs have all the connections needed to power today’s most demanding PC upgrades. Japanese 105°C-rated capacitors deliver superb electrical performance and reliability for your system, backed by a five-year warranty. Robust DC-DC conversion ensures clean, consistent power for all your components and peripherals. With a compact 140mm size allowing for great flexibility in build configurations, CX-M Series power supplies deliver reliable power for nearly any build.
    See all Power Supplies
    See all Power Supplies
No content
No content