Best Buy customers often prefer the following products when searching for largest computer power supply.
A power supply is an electrical device that supplies electric power to an electrical load. It is one of the most important components in a computer, because it is what provides the power to all of the other components. Browse the top-ranked list of largest computer power supplies below along with associated reviews and opinions.
CORSAIR - HXi Series HX1000i 80 PLUS Platinum Fully Modular Ultra-Low Noise ATX Power Supply - Black
Model: CP-9020214-NASKU: 6510383Top comment"Purchased this power supply as a replacement. Provides stable power especially when overclocking. ...Got this to power my 4080 and have had no problems definitely recommend...Reliable, Efficient Power Supply...Awesome power supply"
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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.Top comment"Purchased this power supply as a replacement. Provides stable power especially when overclocking. ...Got this to power my 4080 and have had no problems definitely recommend...Reliable, Efficient Power Supply...Awesome power supply"
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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 SuppliesYour price for this item is $259.99MSI - MPG A1000G PCIE 5 1000 Watt ATX 90 Plus Gold PSU Power Supply - Black
Model: MPG A1000G PCIE 5SKU: 6522750Top 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."
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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.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."
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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 SuppliesYour price for this item is $199.99CORSAIR - RMe Series RM750e 80 PLUS Gold Fully Modular Low-Noise ATX Power Supply - Black
Model: CP-9020248-NASKU: 6529933Top comment"Good power supply....No problems though you must use the wires that are supplied with the power supply. I bought twice....Ive noticed my power supply area runs much cooler now and my machine has never been happier."
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with 80 PLUS Gold efficiency to your PC. With dual 8-pin EPS12V cables and an array of PCIe 8-pin power connectors, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance, backed by a seven-year warranty. Wake your computer faster and consume less power with support for the new Modern Standby sleep mode. Fully modular cables make PC builds easy, as you connect only the cables your system requires. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.Top comment"Good power supply....No problems though you must use the wires that are supplied with the power supply. I bought twice....Ive noticed my power supply area runs much cooler now and my machine has never been happier."
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with 80 PLUS Gold efficiency to your PC. With dual 8-pin EPS12V cables and an array of PCIe 8-pin power connectors, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance, backed by a seven-year warranty. Wake your computer faster and consume less power with support for the new Modern Standby sleep mode. Fully modular cables make PC builds easy, as you connect only the cables your system requires. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.See all Power SuppliesYour price for this item is $99.99EVGA - 650 BP, 80+ BRONZE 650W, 100-BP-0650-K1, Power supply
Model: 100-BP-0650-K1SKU: 6505249Top comment"power supply...the power supply works good, turns on quickly and works without any problems....It's a power supply...It supplies power. It works fine... so far? They are one of the more problematic components generally in my experience. "
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Precision is power, as the EVGA BP power supplies add another affordable option to EVGA's 80PLUS Bronze-certified lineup, while reducing the overall length to 120mm - EVGA's shortest ATX power supply to-date! The BP power supplies feature a 115mm hydraulic bearing fan to ensure that staying cool and quiet is no tall order. Combining a full suite of protections and EVGA's 3 Year Limited Warranty, this power supply should be on the short list for your next system build.Top comment"power supply...the power supply works good, turns on quickly and works without any problems....It's a power supply...It supplies power. It works fine... so far? They are one of the more problematic components generally in my experience. "
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Precision is power, as the EVGA BP power supplies add another affordable option to EVGA's 80PLUS Bronze-certified lineup, while reducing the overall length to 120mm - EVGA's shortest ATX power supply to-date! The BP power supplies feature a 115mm hydraulic bearing fan to ensure that staying cool and quiet is no tall order. Combining a full suite of protections and EVGA's 3 Year Limited Warranty, this power supply should be on the short list for your next system build.See all Power SuppliesYour price for this item is $74.99EVGA SuperNOVA 1000 GT Fully Modular Power Supply
Model: 220-GT-1000-X1SKU: 6528734Top comment"Does not work with AMD high power cable...This was a overall great power supply just didn't work with Corsair high power cable other than that supplies enough power to high-end graphics cards...It powers on...The braided cables are high quality. The power supply is supplying power"
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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.Top comment"Does not work with AMD high power cable...This was a overall great power supply just didn't work with Corsair high power cable other than that supplies enough power to high-end graphics cards...It powers on...The braided cables are high quality. The power supply is supplying power"
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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 SuppliesYour price for this item is $169.99CORSAIR - HXi Series HX1500i 80 PLUS Platinum Fully Modular Ultra-Low Noise ATX Power Supply - Black
Model: CP-9020215-NASKU: 6510382Top comment"Banging Power Supply...Great power supply for my 4080! Be aware, this beast runs 12.5 amps!...This Power Supply is a problem solver Recommended!...I know - I'm building a miner, and I blew-up two cheap power supplies. Not this one."
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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.Top comment"Banging Power Supply...Great power supply for my 4080! Be aware, this beast runs 12.5 amps!...This Power Supply is a problem solver Recommended!...I know - I'm building a miner, and I blew-up two cheap power supplies. Not this one."
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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 SuppliesYour price for this item is $374.99The previous price was $399.99NZXT - C-850 ATX Gaming Power Supply - Black
Model: PA-8G1BB-USSKU: 6520668Top comment"Nice power supply...Great power supply, and quiet mode is nice although never used."
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C Series Gold ATX power supply from NZXT features safe, reliable power while ensuring optimal efficiency and quieter performance.Top comment"Nice power supply...Great power supply, and quiet mode is nice although never used."
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C Series Gold ATX power supply from NZXT features safe, reliable power while ensuring optimal efficiency and quieter performance.See all Power SuppliesYour price for this item is $139.99EVGA - 750 BP, 80+ BRONZE 750W, 100-BP-0750-K1, Power supply
Model: 100-BP-0750-K1SKU: 6505301Top comment"Power Supply...The power supply works very well since I installed it into my computer. ...Gaming computer...He needed to upgrade his power supply. Works great He loves it"
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Precision is power, as the EVGA BP power supplies add another affordable option to EVGA's 80PLUS Bronze-certified lineup, while reducing the overall length to 120mm - EVGA's shortest ATX power supply to-date! The BP power supplies feature a 115mm hydraulic bearing fan to ensure that staying cool and quiet is no tall order. Combining a full suite of protections and EVGA's 3 Year Limited Warranty, this power supply should be on the short list for your next system build.Top comment"Power Supply...The power supply works very well since I installed it into my computer. ...Gaming computer...He needed to upgrade his power supply. Works great He loves it"
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Precision is power, as the EVGA BP power supplies add another affordable option to EVGA's 80PLUS Bronze-certified lineup, while reducing the overall length to 120mm - EVGA's shortest ATX power supply to-date! The BP power supplies feature a 115mm hydraulic bearing fan to ensure that staying cool and quiet is no tall order. Combining a full suite of protections and EVGA's 3 Year Limited Warranty, this power supply should be on the short list for your next system build.See all Power SuppliesYour price for this item is $89.99MSI - MPG A850G PCIE 5 850 Watt ATX 80 Plus Gold PSU Power Supply - Black
Model: MPG A850G PCIE 5SKU: 6524434Top comment"Great power supply...Excellent power supply for the rtx 4090 cards works very well and silent 100% recommended...I wanted a new power supply so i didnt have to use the 40 series gpu dongle and this works nicely"
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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.Top comment"Great power supply...Excellent power supply for the rtx 4090 cards works very well and silent 100% recommended...I wanted a new power supply so i didnt have to use the 40 series gpu dongle and this works nicely"
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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 SuppliesYour price for this item is $144.99The previous price was $159.99Thermaltake - SMART 700W ATX 80 Plus Power Supply - Black
Model: PS-SPD-0700NPCWUS-1SKU: 6339087Top comment"It's a power supply. Powers stuff....It does its job. Power supplies don't turn me on, just the computer....nice power supply...powers my computer very well no problems at all will buy again if needed"
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Power up gaming desktops with this Thermaltake Smart power supply. A continuous 700W power output keeps demanding computer setups energized, while the industry-grade power, voltage and short-circuit protections safeguard sensitive components. This Thermaltake Smart power supply has an embedded 120mm cooling fan that disperses heat efficiently without producing distracting noise.Top comment"It's a power supply. Powers stuff....It does its job. Power supplies don't turn me on, just the computer....nice power supply...powers my computer very well no problems at all will buy again if needed"
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Power up gaming desktops with this Thermaltake Smart power supply. A continuous 700W power output keeps demanding computer setups energized, while the industry-grade power, voltage and short-circuit protections safeguard sensitive components. This Thermaltake Smart power supply has an embedded 120mm cooling fan that disperses heat efficiently without producing distracting noise.See all Power SuppliesYour price for this item is $54.99The previous price was $59.99