Big Power Supply
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.
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"Rock Solid Power...These Powers supplies are rock solid power. I am running a AM5 MSI ATX board with a 7700X CPU and a RTX 4070 Super, and this RM750e does not even break a sweat. ...Ultra Quiet Power Supply!...The price at the time of purchase (early 2025) is great compared to other similar power supplies."
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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"Rock Solid Power...These Powers supplies are rock solid power. I am running a AM5 MSI ATX board with a 7700X CPU and a RTX 4070 Super, and this RM750e does not even break a sweat. ...Ultra Quiet Power Supply!...The price at the time of purchase (early 2025) is great compared to other similar power supplies."
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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 $114.99Pick up on Dec 1 at
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CORSAIR - RMe Series RM1000e 80 PLUS Gold Fully Modular Low-Noise ATX 3.0 and PCIE 5.0 Power Supply PSU - Black
Model: CP-9020264-NASKU: 6589973Top comment"Great little power supply...Very stable power supply. Does what it is supposed to do...Power supply...Best power supply for a high end setup don't see myself upgrading it for a long time"
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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 ATX 3.0 and PCIe 5.0 compliance 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"Great little power supply...Very stable power supply. Does what it is supposed to do...Power supply...Best power supply for a high end setup don't see myself upgrading it for a long time"
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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 ATX 3.0 and PCIe 5.0 compliance 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 $179.99
CORSAIR - HXi Series 1000W 80 Plus Platinum Fully-Modular Ultra-Low Noise ATX Power Supply - Black
Model: CP-9020259-NASKU: 6544995Top comment"Power Supply...Powers everthing with ease. Very quite even when pushing it. ...Beast of a power supply. Quiet and powers my pc with ease."
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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.Top comment"Power Supply...Powers everthing with ease. Very quite even when pushing it. ...Beast of a power supply. Quiet and powers my pc with ease."
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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 SuppliesYour price for this item is $289.99Pick up on Nov 29 at
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Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 850W Semi-Modular Power Supply - Black
Model: PS-SPD-0850MNFABU-3SKU: 6569207Top comment"Excellent Thermaltake Smart PCIe 850W power supply...And with right jumper configuration I was able to use the power supply standalone independent of a motherboard to control the power supply. ...Great power supply...Great power supply. quiet and does exactly what you needed to do."
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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"Excellent Thermaltake Smart PCIe 850W power supply...And with right jumper configuration I was able to use the power supply standalone independent of a motherboard to control the power supply. ...Great power supply...Great power supply. quiet and does exactly what you needed to do."
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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 $99.99Pick up tomorrow at
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Thermaltake - Toughpower GX2 600W 80 PLUS Gold ATX Power Supply - Black
Model: PS-TPD-0600NNFAGU-2SKU: 6510212Top comment"Good basic Power Supply...Good basic power supply at a good price. It just works and Thermaltake power supplies have been as reliable as any other major brand....Good power supply for what I needed...Cheaper power supplies tend to explode but this one is pretty good."
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The Toughpower GX2 600W is built to deliver 80 PLUS Gold efficiency. It features a 120mm cooling fan, multiple connectors for users to power up the build, and high quality components to help deliver a continuous and stable power with an ambient temperature up to 50°C, while near silent operation and reliable performance are guaranteed. With an ample 5-year warranty, the Toughpower GX2 600W is able to satisfy the market, where PC enthusiasts are looking for a budget-friendly power supply with all the fundamental features.Top comment"Good basic Power Supply...Good basic power supply at a good price. It just works and Thermaltake power supplies have been as reliable as any other major brand....Good power supply for what I needed...Cheaper power supplies tend to explode but this one is pretty good."
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The Toughpower GX2 600W is built to deliver 80 PLUS Gold efficiency. It features a 120mm cooling fan, multiple connectors for users to power up the build, and high quality components to help deliver a continuous and stable power with an ambient temperature up to 50°C, while near silent operation and reliable performance are guaranteed. With an ample 5-year warranty, the Toughpower GX2 600W is able to satisfy the market, where PC enthusiasts are looking for a budget-friendly power supply with all the fundamental features.See all Power SuppliesYour price for this item is $54.99The comparable value price is $69.99Pick up on Nov 29 at
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Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black
Model: PS-TPD-0850FNFAGU-LSKU: 6566239Top comment"The Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black easily supplies my power needs without hesitation....Solid power supply, great quality. Power supply works great."
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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.Top comment"The Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black easily supplies my power needs without hesitation....Solid power supply, great quality. Power supply works great."
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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 SuppliesYour price for this item is $89.99The comparable value price is $129.99Pick up tomorrow at
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CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black
Model: CP-9020271-NASKU: 6587607Top comment"powers a 7800xt just fine after my old power supply burnt out...Good power supply...Built a new system, and this powers my 9800x3d and 4080S no problems."
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CORSAIR RMx Series Fully Modular Low-Noise Power Supplies deliver quiet, dependable power with Cybenetics Gold efficiency to your PC. Fully modular, ultra-flexible embossed cables make PC builds easy, as you connect only the cables your system requires. Compliant with the ATX 3.1 power standard from Intel, RMx PSUs have the connections needed to power today’s demanding PC hardware including a native 12V-2x6 connector. 100% Japanese 105°C-rated electrolytic capacitors deliver fantastic electrical performance, while a 140mm FDB fan provides low noise cooling. Backed by a ten-year warranty, RMx PSUs are the gold standard for many years to come.Top comment"powers a 7800xt just fine after my old power supply burnt out...Good power supply...Built a new system, and this powers my 9800x3d and 4080S no problems."
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CORSAIR RMx Series Fully Modular Low-Noise Power Supplies deliver quiet, dependable power with Cybenetics Gold efficiency to your PC. Fully modular, ultra-flexible embossed cables make PC builds easy, as you connect only the cables your system requires. Compliant with the ATX 3.1 power standard from Intel, RMx PSUs have the connections needed to power today’s demanding PC hardware including a native 12V-2x6 connector. 100% Japanese 105°C-rated electrolytic capacitors deliver fantastic electrical performance, while a 140mm FDB fan provides low noise cooling. Backed by a ten-year warranty, RMx PSUs are the gold standard for many years to come.See all Power SuppliesYour price for this item is $159.99The comparable value price is $209.99Pick up tomorrow at
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CORSAIR - RMx Shift Series RM1200x 80 Plus Gold Fully Modular ATX Power Supply with Modular Side Interface - Black
Model: CP-9020254-NASKU: 6532108Top comment"Nice power supply. Quite, and supplies power. What more could you ask for....Fantastic power supply."
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CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary side cable interface to keep all your connections within quick reach, for exceptionally convenient 80 PLUS Gold efficient power. With fully modular micro-fit connections and ATX 3.0 compliance, RMx SHIFT makes clean PC builds and upgrades even easier. RMx SHIFT PSUs use Japanese 105°C-rated electrolytic capacitors, for long life and reliability backed by a ten-year warranty. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance and reliability with low noise, while Zero RPM mode support ensures virtually silent operation at low and medium loads. For quiet, efficient, and accessible power, put an RMx SHIFT Series PSU on your side.Top comment"Nice power supply. Quite, and supplies power. What more could you ask for....Fantastic power supply."
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CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary side cable interface to keep all your connections within quick reach, for exceptionally convenient 80 PLUS Gold efficient power. With fully modular micro-fit connections and ATX 3.0 compliance, RMx SHIFT makes clean PC builds and upgrades even easier. RMx SHIFT PSUs use Japanese 105°C-rated electrolytic capacitors, for long life and reliability backed by a ten-year warranty. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance and reliability with low noise, while Zero RPM mode support ensures virtually silent operation at low and medium loads. For quiet, efficient, and accessible power, put an RMx SHIFT Series PSU on your side.See all Power SuppliesYour price for this item is $219.99The comparable value price is $254.99Pick up on Nov 29 at
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CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black
Model: CP-9020270-NASKU: 6587623Top comment"Grat power supply...Highly recommend this over the cheaper version of corsair power supplies....Nice Power Supply. Great Value....Nice power supply! Easily installed in a Fractal North Mid-Tower case, running an. "
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CORSAIR RMx Series Fully Modular Low-Noise Power Supplies deliver quiet, dependable power with Cybenetics Gold efficiency to your PC. Fully modular, ultra-flexible embossed cables make PC builds easy, as you connect only the cables your system requires. Compliant with the ATX 3.1 power standard from Intel, RMx PSUs have the connections needed to power today’s demanding PC hardware including a native 12V-2x6 connector. 100% Japanese 105°C-rated electrolytic capacitors deliver fantastic electrical performance, while a 140mm FDB fan provides low noise cooling. Backed by a ten-year warranty, RMx PSUs are the gold standard for many years to come.Top comment"Grat power supply...Highly recommend this over the cheaper version of corsair power supplies....Nice Power Supply. Great Value....Nice power supply! Easily installed in a Fractal North Mid-Tower case, running an. "
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CORSAIR RMx Series Fully Modular Low-Noise Power Supplies deliver quiet, dependable power with Cybenetics Gold efficiency to your PC. Fully modular, ultra-flexible embossed cables make PC builds easy, as you connect only the cables your system requires. Compliant with the ATX 3.1 power standard from Intel, RMx PSUs have the connections needed to power today’s demanding PC hardware including a native 12V-2x6 connector. 100% Japanese 105°C-rated electrolytic capacitors deliver fantastic electrical performance, while a 140mm FDB fan provides low noise cooling. Backed by a ten-year warranty, RMx PSUs are the gold standard for many years to come.See all Power SuppliesYour price for this item is $129.99The comparable value price is $169.99Pick up tomorrow at
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CORSAIR - CX-M Series CX650M Semi-Modular Low-Noise ATX Power Supply - Black
Model: CP-9020221-NASKU: 6459240Top comment"Corsair Power Supply...Works excellent amazing product. strong power supply....Power Supply...Working Power Supply with all attachments included."
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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"Corsair Power Supply...Works excellent amazing product. strong power supply....Power Supply...Working Power Supply with all attachments included."
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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 $69.99The comparable value price is $89.99Pick up unavailable at
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