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12 volt power supply

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

A power supply is an electrical component that supplies electric power, usually to an electrical device. The term is common in reference to devices that convert one form of electrical energy into another, such as a power supply for a computer. A power supply also refers to an internal part of many electronic devices. Browse the top-ranked list of 12 volt power supplies below along with associated reviews and opinions.

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  1. EVGA - GP Series SuperNOVA 1000W ATX 80 Plus Gold Fully Modular Power Supply - Black - Front_Zoom
    Top comment

    "Great power supply. Powers all my high end PC components with ease....Great power...Works great powers everything I have upgraded on pc"

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    Product Description

    The EVGA SuperNOVA G+ Power Supplies have arrived. Launched in 2013, the EVGA SuperNOVA G1 power supplies have been among the longest-lasting and best-performing power supplies on the market. Despite only a few changes over the years, it's only fitting that these are due for an upgrade. Enter the G+, the new and improved fully-modular power supply line-up from EVGA with an 80+ Gold Efficiency rating. Compared to the EVGA SuperNOVA G1 power supplies, the G+ are up to 20mm shorter, feature 100% Japanese capacitors, are up to 20% quieter, have much tighter 12v. load regulation, and have a superior fluid-dynamic bearing fan. Combining a full set of current, voltage, and temperature protections with EVGA's World Leading 10-Year Warranty, the EVGA SuperNOVA G+ power supplies set the new Gold standard for performance and value.
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    Top comment

    "Great power supply. Powers all my high end PC components with ease....Great power...Works great powers everything I have upgraded on pc"

    See all customer reviews

    Product Description

    The EVGA SuperNOVA G+ Power Supplies have arrived. Launched in 2013, the EVGA SuperNOVA G1 power supplies have been among the longest-lasting and best-performing power supplies on the market. Despite only a few changes over the years, it's only fitting that these are due for an upgrade. Enter the G+, the new and improved fully-modular power supply line-up from EVGA with an 80+ Gold Efficiency rating. Compared to the EVGA SuperNOVA G1 power supplies, the G+ are up to 20mm shorter, feature 100% Japanese capacitors, are up to 20% quieter, have much tighter 12v. load regulation, and have a superior fluid-dynamic bearing fan. Combining a full set of current, voltage, and temperature protections with EVGA's World Leading 10-Year Warranty, the EVGA SuperNOVA G+ power supplies set the new Gold standard for performance and value.
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    Your price for this item is $197.99
    Clearance
    The regular price is $219.99
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  2. EVGA - 850W Modular BQ Power Supply - Black - Front_Zoom

    Model: 110-BQ-0850-V1
    SKU: 5594501
    Top comment

    "Excellent power supply...This one of the best power supply I've ever owned. Powers my gtx 970 with no problem....As measured at the wall, I'm at 700 watts but the 12 volt rail is only putting out 11.38v. might just be a defect, I am considering contacting evga to see if it is something they cover in returns, or if this is expected performance from a bronze series psu"

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    Product Description

    Power your customized desktop computer with this EVGA power supply. The large built-in fan prevents it from overheating during heavy use, and the sturdy box construction makes it easy to mount externally or install in your computer shell. This EVGA power supply comes with all the cords needed for installation.
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    Top comment

    "Excellent power supply...This one of the best power supply I've ever owned. Powers my gtx 970 with no problem....As measured at the wall, I'm at 700 watts but the 12 volt rail is only putting out 11.38v. might just be a defect, I am considering contacting evga to see if it is something they cover in returns, or if this is expected performance from a bronze series psu"

    See all customer reviews

    Product Description

    Power your customized desktop computer with this EVGA power supply. The large built-in fan prevents it from overheating during heavy use, and the sturdy box construction makes it easy to mount externally or install in your computer shell. This EVGA power supply comes with all the cords needed for installation.
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    Your price for this item is $119.99
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  3. Thermaltake - SMART 700W ATX 80 Plus Power Supply - Black - Front_Zoom

    Model: PS-SPD-0700NPCWUS-1
    SKU: 6339087
    Top comment

    "It's a power supply. Powers stuff....It does its job. Power supplies don't turn me on, just the computer....Only problem is it is not modular but 59amps on the 12 volt rail is good too."

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    Product Description

    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.
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    Top comment

    "It's a power supply. Powers stuff....It does its job. Power supplies don't turn me on, just the computer....Only problem is it is not modular but 59amps on the 12 volt rail is good too."

    See all customer reviews

    Product Description

    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.
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    Your price for this item is $54.99
    The previous price was $59.99
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  4. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black - Front_Zoom
    Top comment

    "Great power supply for the money. It's very stable on the 12v rail....Excellent Fully Modular Power Supply...Having a heavy car background, I know that 12v systems don't really like 11 volts haha! So opted to get a new power supply. "

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    Product Description

    CORSAIR RM850x Series power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. RM850x PSUs use only Japanese 105°C capacitors, for long life and reliability backed by a ten-year warranty. A 135mm magnetic levitation bearing fan ensures high performance coupled with low noise. Wake your computer faster and consume less power with support for Modern Standby sleep mode. Zero RPM mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you need only connect the cables your system requires. An RM850x PSU is quiet, efficient and dependable enough to power your high-performance PC for years to come.
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    Top comment

    "Great power supply for the money. It's very stable on the 12v rail....Excellent Fully Modular Power Supply...Having a heavy car background, I know that 12v systems don't really like 11 volts haha! So opted to get a new power supply. "

    See all customer reviews

    Product Description

    CORSAIR RM850x Series power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. RM850x PSUs use only Japanese 105°C capacitors, for long life and reliability backed by a ten-year warranty. A 135mm magnetic levitation bearing fan ensures high performance coupled with low noise. Wake your computer faster and consume less power with support for Modern Standby sleep mode. Zero RPM mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you need only connect the cables your system requires. An RM850x PSU is quiet, efficient and dependable enough to power your high-performance PC for years to come.
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    Your price for this item is $149.99
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  5. 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....Good Alternative for Nvidia FE 12-Pin Power Cables...Good replacement for the included 12-pin power adapters from Nvidia RTX 3000 series Founders Edition graphic cards, when using a Corsair modular 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....Good Alternative for Nvidia FE 12-Pin Power Cables...Good replacement for the included 12-pin power adapters from Nvidia RTX 3000 series Founders Edition graphic cards, when using a Corsair modular 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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    Your price for this item is $19.99
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  6. Thermaltake - ToughPower Grand RGB 850W ATX12V 2.4/EPS12V 2.92 80 Plus Gold Modular Power Supply - Black - Front_Zoom
    Top comment

    "power...the thermalake - tough power grand rgb 850w atx 12v...One star removed for having to exchange for no power to 12v rail. Otherwise, this has been a great psu."

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    Product Description

    Run your custom desktop with this 80 PLUS Gold-rated Thermaltake Toughpower Grand power supply. Its fully modular design enables a flexible, space-efficient cabling setup, and its customizable RGB LED ring makes it visually distinct. The hydraulic bearing fan of this 850W Thermaltake Toughpower Grand power supply has an anti-vibration mounting system for quiet operation.
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    Top comment

    "power...the thermalake - tough power grand rgb 850w atx 12v...One star removed for having to exchange for no power to 12v rail. Otherwise, this has been a great psu."

    See all customer reviews

    Product Description

    Run your custom desktop with this 80 PLUS Gold-rated Thermaltake Toughpower Grand power supply. Its fully modular design enables a flexible, space-efficient cabling setup, and its customizable RGB LED ring makes it visually distinct. The hydraulic bearing fan of this 850W Thermaltake Toughpower Grand power supply has an anti-vibration mounting system for quiet operation.
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    Your price for this item is $99.99
    The previous price was $149.99
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  7. CORSAIR - RMx Series RM1000x 80 PLUS Gold Fully Modular ATX Power Supply - Black - Front_Zoom
    Top comment

    "Super Power...Powers my 3090 just fine with room to spare! Would recommend!...Unlimited power...Powers my i7 11700k and MSI GeForce RTX 3090 SUPRIM X quietly."

    See all customer reviews

    Product Description

    CORSAIR RM1000x Series power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. RM1000x PSUs use only Japanese 105°C capacitors, for long life and reliability backed by a ten-year warranty. A 135mm magnetic levitation bearing fan ensures high performance coupled with low noise. Wake your computer faster and consume less power with support for Modern Standby sleep mode. Zero RPM mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you need only connect the cables your system requires. An RM1000x PSU is quiet, efficient and dependable enough to power your high-performance PC for years to come.
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    Top comment

    "Super Power...Powers my 3090 just fine with room to spare! Would recommend!...Unlimited power...Powers my i7 11700k and MSI GeForce RTX 3090 SUPRIM X quietly."

    See all customer reviews

    Product Description

    CORSAIR RM1000x Series power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. RM1000x PSUs use only Japanese 105°C capacitors, for long life and reliability backed by a ten-year warranty. A 135mm magnetic levitation bearing fan ensures high performance coupled with low noise. Wake your computer faster and consume less power with support for Modern Standby sleep mode. Zero RPM mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you need only connect the cables your system requires. An RM1000x PSU is quiet, efficient and dependable enough to power your high-performance PC for years to come.
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    Your price for this item is $189.99
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  8. MSI - MPG A850G PCIE 5 850 Watt ATX 80 Plus Gold PSU Power Supply - Black - Front_Zoom
    Top comment

    "Great power supply...Excellent power supply for the rtx 4090 cards works very well and silent 100% recommended...I wanted a new power supply so i didnt have to use the 40 series gpu dongle and this works nicely"

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    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 80+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
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    Top comment

    "Great power supply...Excellent power supply for the rtx 4090 cards works very well and silent 100% recommended...I wanted a new power supply so i didnt have to use the 40 series gpu dongle and this works nicely"

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 80+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
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    Your price for this item is $144.99
    The previous price was $159.99
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  9. MSI - MPG A1000G PCIE 5 1000 Watt ATX 90 Plus Gold PSU Power Supply - Black - Front_Zoom
    Top comment

    "MSI power supply...Msi power supply,perfect for RTX 40 series. The cable was supplied with this power supply....Great power supply...Great power supply switched from Evga will never go back!!!!"

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 90+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
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    Top comment

    "MSI power supply...Msi power supply,perfect for RTX 40 series. The cable was supplied with this power supply....Great power supply...Great power supply switched from Evga will never go back!!!!"

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 4000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 90+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
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    Your price for this item is $199.99
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  10. MSI - MPG A650GF 650W ATX  80 Plus Gold PSU Power Supply - Black - Front_Zoom
    Top comment

    "Power supply...Great power supply, work's great as adveryised, fantastic price for the value...At this point multi-rail 12V is also just a cost saving mechanism as well... it provides no benefit and just requires extra consideration when powering the build"

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    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 3000/2000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 80+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
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    Top comment

    "Power supply...Great power supply, work's great as adveryised, fantastic price for the value...At this point multi-rail 12V is also just a cost saving mechanism as well... it provides no benefit and just requires extra consideration when powering the build"

    See all customer reviews

    Product Description

    The MPG gaming power supply is equipped to support the latest NVIDIA GeForce RTX 3000/2000 Series and AMD GPUs. The efficiency of your power supply can make a world of a difference; it's why we offer a reliable 80+ Gold power proficiency PSU and a 10-year limited warranty guaranteeing a long term reliable solution for your gaming system. Organizing cables is often the most bothersome part of building a PC. With the MPG gaming power supply's fully modular design, we've given you the option of what cables you'll need for your system and defeat the clutter. With that in mind we've gone with a flat black design to further help you create the most beautiful cable managed pc system around. The remaining cables can be nicely stored away in the included cable bag. The MPG gaming power supply comes in 160mm and 150mm wide dimensions to ensure a comfortable fit in more pc chassis so it can continue to maintain a comfortable space for your cable management needs.
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    Your price for this item is $105.99
    The previous price was $109.99
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