Best Power Supply Units
Best Buy customers often prefer the following products when searching for Best Power Supply Units.
A power supply unit, or PSU, is an essential part of any computer system and is used to power its components. If you're looking for a new unit to pwer your devices, we've got you covered. Browse the top-ranked list of best power supply units below along with associated reviews and opinions.
Thermaltake - GF3 1200W 80+ Gold PCIe Gen 5 ATX 3.0 Fully Modular Power Supply - Snow
Model: PS-TPD-1200FNFAGU-NSKU: 6626423Top comment"1.2kW of POWER!...Modular like all good power supplies. Cables are all white as well. Only disadvantage is I wish it had 1 more PCIe power cable. "
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Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel‘s ATX 3.0 specification and is built for next-gen PCIe 5.0 graphics cards. It can pipe up to 600W of power to PCIe 5.0 graphics cards. PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 1200W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < ±2%, hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power. GF3 1000W also features with Designed with our Smart Zero Fan, the fan will not spin until the load exceeds 30% of the power supply, minimizing the fan noise, and a 135mm fluid bearing fan to guarantee superior cooling performance.Top comment"1.2kW of POWER!...Modular like all good power supplies. Cables are all white as well. Only disadvantage is I wish it had 1 more PCIe power cable. "
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Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel‘s ATX 3.0 specification and is built for next-gen PCIe 5.0 graphics cards. It can pipe up to 600W of power to PCIe 5.0 graphics cards. PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 1200W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < ±2%, hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power. GF3 1000W also features with Designed with our Smart Zero Fan, the fan will not spin until the load exceeds 30% of the power supply, minimizing the fan noise, and a 135mm fluid bearing fan to guarantee superior cooling performance.See all Power SuppliesYour price for this item is $169.99The comparable value price is $199.99Select 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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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...The Best...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...The Best...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 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 supply is worth it...best power supply for the money you won’t have any issues with running anything like a strong gpu or cpu...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 supply is worth it...best power supply for the money you won’t have any issues with running anything like a strong gpu or cpu...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 RM750e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
Model: CP-9020295-NASKU: 6611985Top comment"Best power supply I own...Works great nice refresh on the line definitely the best power supply I own....Power supply...No issues,power supply is decently priced $99 at the time"
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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"Best power supply I own...Works great nice refresh on the line definitely the best power supply I own....Power supply...No issues,power supply is decently priced $99 at the time"
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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 RM1000e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
Model: CP-9020297-NASKU: 6611987Top comment"Best Power Supply...Definitely one of the best if not the best power supply’s I’ve ever had, I love the fact that the cables are braided!...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"Best Power Supply...Definitely one of the best if not the best power supply’s I’ve ever had, I love the fact that the cables are braided!...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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Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 650W Semi-Modular Power Supply - Black
Model: PS-SPD-0650MNFABU-3SKU: 6569208Top comment"Power supply...Works great. Powers my PC with no problem. I like the quiet switch on the back for sound control...thermaltake atx power supply(new model)...The power supply also comes with a convenient poach to contain the extra cabling."
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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.Top comment"Power supply...Works great. Powers my PC with no problem. I like the quiet switch on the back for sound control...thermaltake atx power supply(new model)...The power supply also comes with a convenient poach to contain the extra cabling."
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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 SuppliesYour price for this item is $63.99The comparable value price is $79.99Select pickup
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MSI - MEG Ai1300P PCIE5 - Full Modular - 80 Plus Platinum 1300W - Japanese 105°C Capacitors - ATX 3.1 Gaming Power Supply - Black
Model: MEG Ai1300P PCIE5SKU: 6611626Top comment"End Game Power Supply...Everything that I needed in a power supply for my new 5090 build. The power monitoring software has been great...Top Tier Power Supply...The build quality is great and definitely feels like a premium power supply. Mine was the ATX 3.1/12v 2x6 version luckily. "
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The MEG gaming power supply is designed to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs, ensuring seamless performance for high-end gaming systems. With 80+ Platinum power efficiency and a 10-year limited warranty, it provides a reliable and durable power solution. The fully modular design allows you to customize your cable setup, eliminating unnecessary clutter. The flat black cables enhance your system's aesthetics and make cable management effortless. Included with the MEG power supply is a cable bag for neatly storing unused cables. Its compact dimensions (160mm and 150mm wide) ensure compatibility with a wide range of PC chassis, maintaining ample space for clean and efficient cable management.Top comment"End Game Power Supply...Everything that I needed in a power supply for my new 5090 build. The power monitoring software has been great...Top Tier Power Supply...The build quality is great and definitely feels like a premium power supply. Mine was the ATX 3.1/12v 2x6 version luckily. "
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The MEG gaming power supply is designed to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs, ensuring seamless performance for high-end gaming systems. With 80+ Platinum power efficiency and a 10-year limited warranty, it provides a reliable and durable power solution. The fully modular design allows you to customize your cable setup, eliminating unnecessary clutter. The flat black cables enhance your system's aesthetics and make cable management effortless. Included with the MEG power supply is a cable bag for neatly storing unused cables. Its compact dimensions (160mm and 150mm wide) ensure compatibility with a wide range of PC chassis, maintaining ample space for clean and efficient cable management.See all Power SuppliesYour price for this item is $359.99The comparable value price is $389.99Select pickup
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MSI - MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black
Model: MPG A1250GS PCIE5SKU: 6629566Top comment"I've been using the MSI A1250GS power supply in my newly built desktop for a few months now, and it's been rock solid. ...One of the best psu."
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MPG A1250GS PCIE5 Featuring ATX 3.1 and PCIe 5.1 support with two 12V-2x6 connectors, these PSUs are built to handle NVIDIA’s 50 series graphics cards and AI PCs with ease. Advanced thermal solutions ensure cool, stable, and efficient operation, even under heavy loads, giving you the reliability and durability you need for gaming, streaming, or AI-powered tasks.Top comment"I've been using the MSI A1250GS power supply in my newly built desktop for a few months now, and it's been rock solid. ...One of the best psu."
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MPG A1250GS PCIE5 Featuring ATX 3.1 and PCIe 5.1 support with two 12V-2x6 connectors, these PSUs are built to handle NVIDIA’s 50 series graphics cards and AI PCs with ease. Advanced thermal solutions ensure cool, stable, and efficient operation, even under heavy loads, giving you the reliability and durability you need for gaming, streaming, or AI-powered tasks.See all Power SuppliesYour price for this item is $179.99The comparable value price is $239.99Select pickup
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MSI - MAG A650BE 650W Non-Modular 80 Plus Bronze Power Supply - Black
Model: MAG A650BESKU: 6620062Top comment"This is a really good power supply especially if you are on a budget....It’s a great power supply for the price. Looks good and cables are nice"
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The MSI MAG A650BE delivers reliable power and efficiency, embodying the resilience of the MAG series. With 80 PLUS Bronze certification, it ensures lower energy consumption and stable performance. Its non-modular design provides a straightforward, hassle-free setup, while flat cables improve airflow and organization. A fluid dynamic bearing fan ensures quiet cooling, and DC to DC with Full Bridge technology maintains stable voltage. The single +12V rail supports high-performance GPUs and CPUs with multiple PCIe and CPU connectors. With built-in protections for stability, the MAG A650BE is a solid and efficient choice for gamers.See all Power SuppliesTop comment"This is a really good power supply especially if you are on a budget....It’s a great power supply for the price. Looks good and cables are nice"
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The MSI MAG A650BE delivers reliable power and efficiency, embodying the resilience of the MAG series. With 80 PLUS Bronze certification, it ensures lower energy consumption and stable performance. Its non-modular design provides a straightforward, hassle-free setup, while flat cables improve airflow and organization. A fluid dynamic bearing fan ensures quiet cooling, and DC to DC with Full Bridge technology maintains stable voltage. The single +12V rail supports high-performance GPUs and CPUs with multiple PCIe and CPU connectors. With built-in protections for stability, the MAG A650BE is a solid and efficient choice for gamers.













