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Best Buy customers often prefer the following products when searching for 12v power supply.

A power supply is a device that provides electric power to an electrical load. A power supply might be an integrated part of a piece of equipment, or it might be provided separately. Browse the top-ranked list of 12V power supplies below along with associated reviews and opinions.

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  1. Thermaltake - Toughpower GF1 850W 80 PLUS Gold Fully Modular Power Supply - Black - Front_Zoom
    Top comment

    "Quality Power Suppy...I have purchased dozens of their cases and power supplies....GF1 850W 80 PLUS Ultra Quite Power Supply...Great power supply for gaming runs and is quality ran"

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    Product Description

    The fully modular Toughpower GF1 series is available in 650W - 850W models and built to deliver 80 PLUS Gold efficiency. The series features a 140mm hydraulic bearing fan, Japanese capacitors and other premium 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 10-year warranty, the Toughpower GF1 is able to satisfy the market, where PC enthusiasts are looking for a premium power supply with all the latest features.Zero Cable Platform Farewell to messy cables! We have connected the back panel and the PCB with a copper plate for better heat dissipation and impressive output power quality. Ultra Quiet 140mm Hydraulic Bearing Fan Featuring a 140mm hydraulic bearing fan with intelligent RPM controls to help guarantee superior cooling performance and near silent operation. ?30mV Low Ripple Noise All ripples are lower than 30mV on +12V, +5V or +3.3V from 0% to 100% load to ensure a stable operation and keep your performance-critical components to function reliably for longer. Extremely Strict Voltage Regulation ?±2% The voltage regulation, more strict than Intel's standard ±5% for major rails and ±10% for -12V, is set to no more than ±2% for major rails to meet the highest performance. Fully Modular Low-Profile Flat Cable Offers cable selection for users while powering the system at an advantageous voltage. Low-profile flat black cable makes cable management easier, reduces clutter and increases airflow inside the chassis. Premium Japanese 105°C/221°F Capacitors Providing great durability as well as offering the highest stability, while remaining reliable. High Amperage Single +12V Rail Powerful single +12V rail ensures a stable and reliable supply to other PC components. 80 PLUS Gold Certified and Intel C6/C7 States Ready Toughpower GF1 series saves energy through its high energy efficiency up to 90% and is certified to 80 PLUS® Gold. The series has been optimized to work with all generations of Intel's processors to achieve maximum energy saving.
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    Top comment

    "Quality Power Suppy...I have purchased dozens of their cases and power supplies....GF1 850W 80 PLUS Ultra Quite Power Supply...Great power supply for gaming runs and is quality ran"

    See all customer reviews

    Product Description

    The fully modular Toughpower GF1 series is available in 650W - 850W models and built to deliver 80 PLUS Gold efficiency. The series features a 140mm hydraulic bearing fan, Japanese capacitors and other premium 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 10-year warranty, the Toughpower GF1 is able to satisfy the market, where PC enthusiasts are looking for a premium power supply with all the latest features.Zero Cable Platform Farewell to messy cables! We have connected the back panel and the PCB with a copper plate for better heat dissipation and impressive output power quality. Ultra Quiet 140mm Hydraulic Bearing Fan Featuring a 140mm hydraulic bearing fan with intelligent RPM controls to help guarantee superior cooling performance and near silent operation. ?30mV Low Ripple Noise All ripples are lower than 30mV on +12V, +5V or +3.3V from 0% to 100% load to ensure a stable operation and keep your performance-critical components to function reliably for longer. Extremely Strict Voltage Regulation ?±2% The voltage regulation, more strict than Intel's standard ±5% for major rails and ±10% for -12V, is set to no more than ±2% for major rails to meet the highest performance. Fully Modular Low-Profile Flat Cable Offers cable selection for users while powering the system at an advantageous voltage. Low-profile flat black cable makes cable management easier, reduces clutter and increases airflow inside the chassis. Premium Japanese 105°C/221°F Capacitors Providing great durability as well as offering the highest stability, while remaining reliable. High Amperage Single +12V Rail Powerful single +12V rail ensures a stable and reliable supply to other PC components. 80 PLUS Gold Certified and Intel C6/C7 States Ready Toughpower GF1 series saves energy through its high energy efficiency up to 90% and is certified to 80 PLUS® Gold. The series has been optimized to work with all generations of Intel's processors to achieve maximum energy saving.
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  2. CORSAIR - RM Series RM750 750W ATX 80 PLUS GOLD Certified Fully Modular Power Supply - White - Front_Zoom
    Top comment

    "Great high performance power supply...Great high performance power supply. Plenty of cables and connections. ...Works amazing. It powers my system. Ugly base cables but extension cables can fix that problem. "

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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 high performance power supply...Great high performance power supply. Plenty of cables and connections. ...Works amazing. It powers my system. Ugly base cables but extension cables can fix that problem. "

    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.
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  3. Thermaltake - Toughpower GX2 600W 80 PLUS Gold ATX Power Supply - Black - Front_Zoom
    Top comment

    "Never had any issues. Powers everything needed in my gaming/work computer...great power supply...great power supply well made fit perfectly great warrantee"

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    Product Description

    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.
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    Top comment

    "Never had any issues. Powers everything needed in my gaming/work computer...great power supply...great power supply well made fit perfectly great warrantee"

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    Product Description

    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.
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    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

    "I like this power supply...Great power supply has its own 12v cable for 40 series video cards . ...Fantastic power supply."

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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

    "I like this power supply...Great power supply has its own 12v cable for 40 series video cards . ...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.
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    See all Power Supplies
  5. 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...Powers up my pc pretty comfortably and look very good if you are going for a white theme on a custom pc build"

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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

    "Power supply...power supply works great, love the white cables on it...Powers up my pc pretty comfortably and look very good if you are going for a white theme on a custom pc build"

    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.
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    See all Power Supplies
  6. CORSAIR - 12-Pin GPU Power Cable, Sleeved - Black - Front_Zoom
    Top comment

    "Runs straight from the power supply to the video card. I verified the correct voltage readings on my system, provides six 12v circuits and six ground circuits....I'm using this for my RTX 3090 ti with no issues while being powered by my 850w corsair power supply. I bought just the one cable and connected the 12v to the GPU and the PCIe pins to the PSU. "

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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

    "Runs straight from the power supply to the video card. I verified the correct voltage readings on my system, provides six 12v circuits and six ground circuits....I'm using this for my RTX 3090 ti with no issues while being powered by my 850w corsair power supply. I bought just the one cable and connected the 12v to the GPU and the PCIe pins to the PSU. "

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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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  7. NZXT - C-1000 ATX Gaming Power Supply - Black - Front_Zoom

    Model: PA-0G1BB-US
    SKU: 6510032
    Top comment

    "PC Power...looking for something with a bit more power for your pc. The NZXT C-1000 has all the power that you need for a smooth gaming performance....Only thing to note is if you want the 12v ATX be sure to get the C1200 instead."

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    Product Description

    C Series Gold ATX power supply from NZXT features safe, reliable power while ensuring optimal efficiency and quieter performance.
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    Top comment

    "PC Power...looking for something with a bit more power for your pc. The NZXT C-1000 has all the power that you need for a smooth gaming performance....Only thing to note is if you want the 12v ATX be sure to get the C1200 instead."

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    Product Description

    C Series Gold ATX power supply from NZXT features safe, reliable power while ensuring optimal efficiency and quieter performance.
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  8. CORSAIR - 2’ Premium Individually Sleeved 12+4pin PCIe Gen 5 Type-4 600W 12VHPWR Cable - Black - Front_Zoom
    Top comment

    "Thankfully I think this cable will last longer than the gpu it powers....12v high power"

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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

    "Thankfully I think this cable will last longer than the gpu it powers....12v high power"

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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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  9. EVGA - SuperNOVA 1300W GT Power Supply - Front_Zoom

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

    "Great power supply...Will do everything you need it too. Powers my 4070 to my 14900k and everything else great....The most stable power I have ever had in a PC. With 6 case fans, 4 ssd, 2 sata drives, and large air cooler, I can watch the 12v and 5v rails never move more than .6 volts and 12.13v is the lowest I've ever seen."

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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

    "Great power supply...Will do everything you need it too. Powers my 4070 to my 14900k and everything else great....The most stable power I have ever had in a PC. With 6 case fans, 4 ssd, 2 sata drives, and large air cooler, I can watch the 12v and 5v rails never move more than .6 volts and 12.13v is the lowest I've ever seen."

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

    "Powers my system very well and keeps quite and cool. ...It works and the fans are quiet works like really good powers up everything nicely, really easy to install"

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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.
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    Top comment

    "Powers my system very well and keeps quite and cool. ...It works and the fans are quiet works like really good powers up everything nicely, really easy to install"

    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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