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

The best power supply is the one you can rely on. You want to make sure you have all the power you need for your computer, and that means having a quality power supply. You also want to have a power supply that will last you a long time. Here are some of the best light power supply units available today.

Main Results
  1. CORSAIR - RMx Shift Series RM850x 80 Plus Gold Fully Modular ATX Power Supply with Modular Side Interface - Black - Front_Zoom
    Top comment

    "This is a really versatile and powerful Power Supply. Love the cabling and options to control RGB lights. ...Great power supply...Allows my RX 6800 XT to draw as much power as it needs without any failure."

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    Product Description

    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.
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    Top comment

    "This is a really versatile and powerful Power Supply. Love the cabling and options to control RGB lights. ...Great power supply...Allows my RX 6800 XT to draw as much power as it needs without any failure."

    See all customer reviews

    Product Description

    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.
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    See all Power Supplies
  2. EVGA - 650 BP, 80+ BRONZE 650W, 100-BP-0650-K1, Power supply - Front_Zoom
    Top comment

    "Great power supply...Will always recommend these evga power supplies...A power supply of all time...Installed no problem. Fixed my power problems. Powers my pc 10/10"

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    Product Description

    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.
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    Top comment

    "Great power supply...Will always recommend these evga power supplies...A power supply of all time...Installed no problem. Fixed my power problems. Powers my pc 10/10"

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    Product Description

    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.
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    See all Power Supplies
  3. CORSAIR - RM Series RM750 750W ATX 80 PLUS GOLD Certified Fully Modular Power Supply - White - Front_Zoom
    Top comment

    "Great looking power supply....Very sleek looking Power supply to go with white pc builds....The fact that a white power supply exists is insane! I find this one to also be one of the easiest power supplies to install. "

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    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.
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    Top comment

    "Great looking power supply....Very sleek looking Power supply to go with white pc builds....The fact that a white power supply exists is insane! I find this one to also be one of the easiest power supplies to install. "

    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
  4. CORSAIR - RMx Shift Series RM1200x 80 Plus Gold Fully Modular ATX Power Supply with Modular Side Interface - Black - Front_Zoom
    Top comment

    "Nice power supply. Quite, and supplies power. What more could you ask for....Fantastic power supply."

    See all customer reviews

    Product Description

    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 Supplies
    Top comment

    "Nice power supply. Quite, and supplies power. What more could you ask for....Fantastic power supply."

    See all customer reviews

    Product Description

    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 Supplies
    See all Power Supplies
  5. CORSAIR - 2’ Premium Individually Sleeved 12+4pin PCIe Gen 5 Type-4 600W 12VHPWR Cable - Black - Front_Zoom
    Top comment

    "Far better for cable management than the stock PSU cables that most power supplies come with. Very clean look...Its a good alternative for power supplies that do no have a 12VHP connection."

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    Product Description

    For those who want to connect the latest PCIe 5.0 GPUs without creating extra clutter, the official CORSAIR Premium Individually Sleeved 600W PCIe 5.0 / Gen 5 12VHPWR PSU Cable is a must-have for modern PC builds. This premium cable reliably delivers power from a CORSAIR Type-4 PSU to the most advanced PCIe Gen 5 graphics cards, without the need for a 12+4pin adapter. The cable is usable with any Type-4 CORSAIR power supply via a dual 8-pin PCIe connection. Each flexible triple mesh paracord cable is individually sleeved and held together by an adjustable, interconnecting cable comb, adding a clean, professional look to your build.
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    Top comment

    "Far better for cable management than the stock PSU cables that most power supplies come with. Very clean look...Its a good alternative for power supplies that do no have a 12VHP connection."

    See all customer reviews

    Product Description

    For those who want to connect the latest PCIe 5.0 GPUs without creating extra clutter, the official CORSAIR Premium Individually Sleeved 600W PCIe 5.0 / Gen 5 12VHPWR PSU Cable is a must-have for modern PC builds. This premium cable reliably delivers power from a CORSAIR Type-4 PSU to the most advanced PCIe Gen 5 graphics cards, without the need for a 12+4pin adapter. The cable is usable with any Type-4 CORSAIR power supply via a dual 8-pin PCIe connection. Each flexible triple mesh paracord cable is individually sleeved and held together by an adjustable, interconnecting cable comb, adding a clean, professional look to your build.
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    See all Power Supplies
  6. CORSAIR - 12-Pin GPU Power Cable, Sleeved - Black - Front_Zoom
    Top comment

    "I don't know if it works on other brands of power supplies....Corsair 12-pin GPU Power Cable...Also, as 49 out of 50 reviewers already know (at the time of writing), it only works with type 3 and 4 Corsair modular power supplies. Other power supplies may have a different pin-out, and you obviously don't want electricity going places it shouldn't."

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    Product Description

    The CORSAIR 12-Pin GPU Power Cable (CP-8920274) connects any CORSAIR Type-3/Type-4 modular power supply to any GPU by converting two 8-pin PSU power connectors to a single 12-pin GPU power connector, ready to power your new NVIDIA® GeForce RTX™ 30 Series GPU. 660mm Black sleeved cables allow for easy cable management and match the aesthetic of any build.
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    Top comment

    "I don't know if it works on other brands of power supplies....Corsair 12-pin GPU Power Cable...Also, as 49 out of 50 reviewers already know (at the time of writing), it only works with type 3 and 4 Corsair modular power supplies. Other power supplies may have a different pin-out, and you obviously don't want electricity going places it shouldn't."

    See all customer reviews

    Product Description

    The CORSAIR 12-Pin GPU Power Cable (CP-8920274) connects any CORSAIR Type-3/Type-4 modular power supply to any GPU by converting two 8-pin PSU power connectors to a single 12-pin GPU power connector, ready to power your new NVIDIA® GeForce RTX™ 30 Series GPU. 660mm Black sleeved cables allow for easy cable management and match the aesthetic of any build.
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    See all Power Supplies
  7. CORSAIR - RM Series RM850 850W ATX 80 PLUS GOLD Certified Fully Modular Power Supply - White - Front_Zoom
    Top comment

    "Power supply...power supply works great, love the white cables on it...Great power supply...This power supply is great! It works well for the price and I had no trouble installing it into my PC. "

    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

    "Power supply...power supply works great, love the white cables on it...Great power supply...This power supply is great! It works well for the price and I had no trouble installing it into my PC. "

    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
  8. EVGA SuperNOVA 1000 GT Fully Modular Power Supply - Front_Zoom

    Model: 220-GT-1000-X1
    SKU: 6528734
    Top comment

    "Its a power supply it supplies the power i need!!!...It powers my supplies, but i think its supposed to supply me with power..? "

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    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.
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    Top comment

    "Its a power supply it supplies the power i need!!!...It powers my supplies, but i think its supposed to supply me with power..? "

    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.
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    See all Power Supplies
  9. EVGA - SuperNOVA 1300W GT Power Supply - Front_Zoom

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

    "Great power supply...Excellent power supply, more than ample power for my need!...Will do everything you need it too. Powers my 4070 to my 14900k and everything else great."

    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

    "Great power supply...Excellent power supply, more than ample power for my need!...Will do everything you need it too. Powers my 4070 to my 14900k and everything else great."

    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
  10. CORSAIR - CX-M Series CX650M Semi-Modular Low-Noise ATX Power Supply - Black - Front_Zoom
    Top comment

    "Power Supply...This power supply is great. I loves it because it is light weight and the speed is great when loggging in for work....Corsair Power Supply...Works excellent amazing product. strong power supply."

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    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...This power supply is great. I loves it because it is light weight and the speed is great when loggging in for work....Corsair Power Supply...Works excellent amazing product. strong power supply."

    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.
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    See all Power Supplies
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