Largest Computer Power Supply
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 1000W 80 Plus Platinum Fully-Modular Ultra-Low Noise ATX Power Supply - Black
Model: CP-9020259-NASKU: 6544995Top comment"Beast of a power supply. Quiet and powers my pc with ease....Great Power Supply!!...I would recommend Corsair power supplies to anyone. These are the best power supplies I have ever seen or owned and I have worked with computers for around thirty years and built my own high end computers and servers for most of that time."
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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. 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 SuppliesTop comment"Beast of a power supply. Quiet and powers my pc with ease....Great Power Supply!!...I would recommend Corsair power supplies to anyone. These are the best power supplies I have ever seen or owned and I have worked with computers for around thirty years and built my own high end computers and servers for most of that time."
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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. 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.
CORSAIR - RMe Series RM750e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - White
Model: CP-9020292-NASKU: 6621974Top comment"Fixed my Power Issues...Love love love, it’s pretty and white and the power is unmatched"
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. 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 SuppliesTop comment"Fixed my Power Issues...Love love love, it’s pretty and white and the power is unmatched"
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.
CORSAIR - RMe Series RM750e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
Model: CP-9020295-NASKU: 6611985Top comment"Ultra Quiet Power Supply!...The price at the time of purchase (early 2025) is great compared to other similar power supplies....Great and easy to use power supply. I love Corsair and their power supplies never disappoint."
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.Top comment"Ultra Quiet Power Supply!...The price at the time of purchase (early 2025) is great compared to other similar power supplies....Great and easy to use power supply. I love Corsair and their power supplies never disappoint."
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. 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 $93.99The comparable value price is $114.99Select pickup
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CORSAIR - RMe Series RM850e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - White
Model: CP-9020293-NASKU: 6621914Top comment"Works great and is able to power my pc without any issues....Amazing Power Supply"
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.Top comment"Works great and is able to power my pc without any issues....Amazing Power Supply"
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. 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 $119.99The comparable value price is $154.99Select pickup
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CORSAIR - RMe Series RM850e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
Model: CP-9020296-NASKU: 6611986Top comment"Power block...I bought this power supply specifically to upgrade my computer. ...Great power supply...Great power supply with the latest connector for the 12v2x6 on the Nvidia graphics cards. "
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.Top comment"Power block...I bought this power supply specifically to upgrade my computer. ...Great power supply...Great power supply with the latest connector for the 12v2x6 on the Nvidia graphics cards. "
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. 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 $109.99The comparable value price is $144.99Select pickup
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CORSAIR - RMe Series RM1000e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - White
Model: CP-9020294-NASKU: 6621913See all Power SuppliesYour price for this item is $154.99The comparable value price is $199.99Select pickup
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CORSAIR - RMe Series RM1000e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
Model: CP-9020297-NASKU: 6611987Top comment"Power supply...My power supply had died in my computer. I ordered this one and got it the next day. ...Beast power supply....Great power supply. Easily handles my 3090 and Ryder 7 9700x!"
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.Top comment"Power supply...My power supply had died in my computer. I ordered this one and got it the next day. ...Beast power supply....Great power supply. Easily handles my 3090 and Ryder 7 9700x!"
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CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, 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. 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 $144.99The comparable value price is $189.99Select pickup
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CORSAIR - RMe Series RM1200e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.0 Power Supply - Black
Model: CP-9020258-NASKU: 6615249Top comment"Love corsair power supplies....Great power supply so far just put it in my build....I’m loving this power supply, stays cool, has no coil winding and powers everything perfectly"
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The CORSAIR RM1200e Fully Modular Low-Noise Power Supply provides quiet, reliable power with 80 PLUS Gold efficiency to your PC. Compliant with the ATX 3.1 power standard from Intel, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated 100% Japanese Electrolytic capacitors deliver superb electrical performance, backed by a ten-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 more compact 150mm casing, you get more room for your cables to fit comfortably in any power supply compartment.Top comment"Love corsair power supplies....Great power supply so far just put it in my build....I’m loving this power supply, stays cool, has no coil winding and powers everything perfectly"
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The CORSAIR RM1200e Fully Modular Low-Noise Power Supply provides quiet, reliable power with 80 PLUS Gold efficiency to your PC. Compliant with the ATX 3.1 power standard from Intel, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated 100% Japanese Electrolytic capacitors deliver superb electrical performance, backed by a ten-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 more compact 150mm casing, you get more room for your cables to fit comfortably in any power supply compartment.See all Power SuppliesYour price for this item is $199.99The comparable value price is $234.99Select pickup
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Thermaltake - 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....Thermalake computer power supply...Thermalake makes quality power supplies. I have used them for many computers."
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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....Thermalake computer power supply...Thermalake makes quality power supplies. I have used them for many computers."
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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 comparable value price is $59.99Select pickup
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CORSAIR - CX-M Series CX750M Semi-Modular Low-Noise ATX Power Supply - Black
Model: CP-9020222-NASKU: 6459241Top comment"Power supply...Corsair's Power supplies never cease to amaze me!!!...Good power supply...Corsair power supplies are good. My second favorite power supply brand."
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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.Top comment"Power supply...Corsair's Power supplies never cease to amaze me!!!...Good power supply...Corsair power supplies are good. My second favorite power supply brand."
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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 SuppliesYour price for this item is $79.99The comparable value price is $99.99Select pickup
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