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energy efficient power supplies

Best Buy customers often prefer the following products when searching for Energy Efficient Power Supplies.

Browse the top-ranked list of Energy Efficient Power Supplies below along with associated reviews and opinions.

Browse the top-ranked list of Energy Efficient Power Supplies below along with associated reviews and opinions.

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  1. Microsoft - Surface 24W Power Supply - Black - Front_Zoom
    Top comment

    "Works like a charm...Great extra to have...Surface pro power supply is working just great, for our surface pro, it keep the power up...I was kind of disappointed that my surface pro that I have had for less than 6 months needed a new power cord...but this one works great and haven't had any issues since"

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    Product Description

    Made exclusively for Surface* and designed to match its look and feel, the 24W power supply quickly recharges the battery, while the USB port lets you charge another device at the same time.
    Your price for this item is $38.99
    Save $1
    The previous price was $39.99
    Top comment

    "Works like a charm...Great extra to have...Surface pro power supply is working just great, for our surface pro, it keep the power up...I was kind of disappointed that my surface pro that I have had for less than 6 months needed a new power cord...but this one works great and haven't had any issues since"

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    Product Description

    Made exclusively for Surface* and designed to match its look and feel, the 24W power supply quickly recharges the battery, while the USB port lets you charge another device at the same time.
  2. Heise - 12V Power Supply - Multi - Front_Zoom
    Model:H-PS2
    SKU:4363308
    Top comment

    "I would recommend it...Seems to hold up fine...Power supply is holding up very well...Whit this power cord now I can use my LED lights using it at my house looks amazing"

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    Product Description

    Power your compatible single-color LEDs with this Heise H-PS2 power supply, which provides 12V and 2-amp of power for illuminating the night in style. The lightweight design allows you to transport the power supply with ease.
    Your price for this item is $19.99
    Top comment

    "I would recommend it...Seems to hold up fine...Power supply is holding up very well...Whit this power cord now I can use my LED lights using it at my house looks amazing"

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    Product Description

    Power your compatible single-color LEDs with this Heise H-PS2 power supply, which provides 12V and 2-amp of power for illuminating the night in style. The lightweight design allows you to transport the power supply with ease.
  3. ClearView - 100-240VAC to 12VDC 5Amp (5000mA) Power Supply - Black - Front_Standard

    Product Description

    ClearView 100-240VAC to 12VDC 5Amp (5000mA) Power Supply - 24 W Output Power - 110 V AC, 220 V AC Input Voltage - 12 V DC Output Voltage - 5 A Output Current
    Your price for this item is $34.99
    Save $5
    The previous price was $39.99

    Product Description

    ClearView 100-240VAC to 12VDC 5Amp (5000mA) Power Supply - 24 W Output Power - 110 V AC, 220 V AC Input Voltage - 12 V DC Output Voltage - 5 A Output Current
  4. Celestron - PowerTank 17 12V Power Supply for Celestron Powered Telescopes - Black - Front_Standard
    Top comment

    "The charge lasts a long time...Unit's solid, excellent construction...The detachable light has a cord connected to the unit that winds up and stores conveniently...Would have given 5 stars, except for the "fidly" detachable light storage, the fact it did not come with a manual (had to download from Celestron), and you still have to order a separate power cord for the telescope"

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    Product Description

    This Celestron PowerTank 17 18777 power supply features two 12V outputs, plus 3V, 6V and 9V outputs, to help keep your Celestron powered telescope and accessories charged and ready for stargazing. A built-in circuit breaker helps ensure safe use.
    Your price for this item is $136.99
    Top comment

    "The charge lasts a long time...Unit's solid, excellent construction...The detachable light has a cord connected to the unit that winds up and stores conveniently...Would have given 5 stars, except for the "fidly" detachable light storage, the fact it did not come with a manual (had to download from Celestron), and you still have to order a separate power cord for the telescope"

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    Product Description

    This Celestron PowerTank 17 18777 power supply features two 12V outputs, plus 3V, 6V and 9V outputs, to help keep your Celestron powered telescope and accessories charged and ready for stargazing. A built-in circuit breaker helps ensure safe use.
  5. Russound - A-BUS Power Supply - Black - Front_Standard

    Product Description

    Learn more about Magnolia Premium Installation   This power supply features 110/220V auto sensing for simple operation. The compact design allows easy portability.
    Your price for this item is $153.98

    Product Description

    Learn more about Magnolia Premium Installation   This power supply features 110/220V auto sensing for simple operation. The compact design allows easy portability.
  6. CORSAIR - CX Series Modular CX750M 750W 80 Plus Bronze ATX Power Supply - Black - Front_Standard
    Top comment

    "Bang for the buck...Fan is very quiet...I've been using this power supply around for a year so far and I'ven't got any problems at all, I am planing to get another one for a friend, I must say I that truly trust this power supply SINCE I run 24/7 OC on my fx-6300...Good power supply nice power supply - I only upgrade every couple years and this power source was good I didn't realize that the motherboard connectors had changed ( alittle from 8 pin to 4 pin) but this one has power connections that could split for just such and issue - a nice feature"

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    Product Description

    This Corsair CX Series Modular CX750M CP-9020061-NA power supply features over- and under-voltage, over-power and short-circuit protection to prevent damage to your components. The flexible modular cabling system accommodates your system configuration.
    Your price for this item is $79.99
    Top comment

    "Bang for the buck...Fan is very quiet...I've been using this power supply around for a year so far and I'ven't got any problems at all, I am planing to get another one for a friend, I must say I that truly trust this power supply SINCE I run 24/7 OC on my fx-6300...Good power supply nice power supply - I only upgrade every couple years and this power source was good I didn't realize that the motherboard connectors had changed ( alittle from 8 pin to 4 pin) but this one has power connections that could split for just such and issue - a nice feature"

    ""

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    Product Description

    This Corsair CX Series Modular CX750M CP-9020061-NA power supply features over- and under-voltage, over-power and short-circuit protection to prevent damage to your components. The flexible modular cabling system accommodates your system configuration.
  7. EVGA - 600W ATX 12V/EPS 12V 80 Plus Power Supply - Black - Front_Zoom
    Top comment

    "Not noisy at all...PSU does the job...Power supply works but something keeps scrapping the fan when I turn it on, think I found the issue but it lays back down and I dont feel like taking it out of the PC to fix it but other than that it seems to work okay but I just bought it less than a month ago...I bought this PSU for my GPU upgrade,even though it is 50 Watts more than was recommended for the GPU I bought I am glad I purchased it to handle my PC gaming"

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    Product Description

    Create a functional, efficient computer by adding this 600W EVGA 80 PLUS 100-W1-0600-K1 ATX 12V/EPS 12V power supply to your custom build. An ultraquiet, intelligent auto fan cools components without generating much noise during operation.
    Your price for this item is $59.99
    Top comment

    "Not noisy at all...PSU does the job...Power supply works but something keeps scrapping the fan when I turn it on, think I found the issue but it lays back down and I dont feel like taking it out of the PC to fix it but other than that it seems to work okay but I just bought it less than a month ago...I bought this PSU for my GPU upgrade,even though it is 50 Watts more than was recommended for the GPU I bought I am glad I purchased it to handle my PC gaming"

    ""

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    Product Description

    Create a functional, efficient computer by adding this 600W EVGA 80 PLUS 100-W1-0600-K1 ATX 12V/EPS 12V power supply to your custom build. An ultraquiet, intelligent auto fan cools components without generating much noise during operation.
  8. Thermaltake - TR2 600NL2NC ATX 12V/EPS 12V Power Supply - Black - Front_Standard
    Top comment

    "gets the job done...Gets the job done...This hard drive is great I purchased it to power a budget gaming rig and this power supply works great and his strong enough to power most higher end graphics cards...I wasn't entirely sure I was after this specific power supply, but the gentleman assisting me verified that It would meet my needs"

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    Product Description

    TR2 series is designed with mainstream PC in mind. With Thermaltake's state-of-the-art circuitry design capability and advanced packaging technology, it is capable of providing the same level of high efficiency and power protection that you have come to expect from Thermaltake's full range of power supply. TR2 series power supply all carries an industry-leading 5 Year Limited Warranty for the ultimate piece of mind.
    Your price for this item is $34.99
    Clearance
    Save $35
    The regular price is $69.99
    Top comment

    "gets the job done...Gets the job done...This hard drive is great I purchased it to power a budget gaming rig and this power supply works great and his strong enough to power most higher end graphics cards...I wasn't entirely sure I was after this specific power supply, but the gentleman assisting me verified that It would meet my needs"

    ""

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    Product Description

    TR2 series is designed with mainstream PC in mind. With Thermaltake's state-of-the-art circuitry design capability and advanced packaging technology, it is capable of providing the same level of high efficiency and power protection that you have come to expect from Thermaltake's full range of power supply. TR2 series power supply all carries an industry-leading 5 Year Limited Warranty for the ultimate piece of mind.
  9. Thermaltake - Smart Series 650W ATX 12V v2.3/EPS 12V 80 Plus Power Supply - Black - Front_Standard
    Top comment

    "It is also quiet...Does the job well...This power supply is your basic power supply; it gets the job done, plus a toggle power switch--which isn't on every power supply I've ever owned, but now I don't want to not have it...I really like this power supply because it has flat cables Usually power supplies have cables that are zip tied together This really makes it nice power supply for gaming rigs"

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    Product Description

    This Thermaltake SMART Series SP-650P power supply delivers 650W maximum output and 780W peak output and supports Intel® ATX 12V v2.3 and EPS 12V standards. A 120mm fan with intelligent temperature control cools your components.
    Your price for this item is $59.99
    Save $10
    The previous price was $69.99
    Top comment

    "It is also quiet...Does the job well...This power supply is your basic power supply; it gets the job done, plus a toggle power switch--which isn't on every power supply I've ever owned, but now I don't want to not have it...I really like this power supply because it has flat cables Usually power supplies have cables that are zip tied together This really makes it nice power supply for gaming rigs"

    ""

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    Product Description

    This Thermaltake SMART Series SP-650P power supply delivers 650W maximum output and 780W peak output and supports Intel® ATX 12V v2.3 and EPS 12V standards. A 120mm fan with intelligent temperature control cools your components.
  10. EVGA - 850W Modular BQ Power Supply - Black - Front_Zoom
    Model:110-BQ-0850-V1
    SKU:5594501
    Top comment

    "It is very quiet...EVGA is the best...I upgraded from an Nvidia 960 2Gig video card to a 1070 8Gig and when I went to install the card realized I only had a 550 watt power supply with one 8pin connector which was being used by the motherboard (the 960 only needed a six pin connector) I bought this power supply because it is modular and comes with 4 eight pin connectors so it will run my 1070 without issue...850w is enough power for anything I am currently using and I like that I can choose what power connections are on it, means less clutter in the case"

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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.
    Your price for this item is $105.99
    Save $14
    The previous price was $119.99
    Top comment

    "It is very quiet...EVGA is the best...I upgraded from an Nvidia 960 2Gig video card to a 1070 8Gig and when I went to install the card realized I only had a 550 watt power supply with one 8pin connector which was being used by the motherboard (the 960 only needed a six pin connector) I bought this power supply because it is modular and comes with 4 eight pin connectors so it will run my 1070 without issue...850w is enough power for anything I am currently using and I like that I can choose what power connections are on it, means less clutter in the case"

    ""

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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.
  11. CORSAIR - CX-M Series 650W ATX12V 2.4/EPS12V 2.92 80 Plus Bronze Modular Power Supply - Matte black - Front_Zoom
    Top comment

    "pc runs great now...Modular is a plus...then I try it in another build with an ASUS MOBO the system start with out Fans Spinning I knew that another fan was death New Asus Mobo's wont start with defective fans , I fix it replacing the Chasis Fan and everything work again I maybe crazy but I thisk this psu loves to Fry Fans...Corsair makes a great power supply I have two cx 750 power supply's that I have been using in my home built computers windows 10 machines with two gtx 970 video cards running I sli for 4 years now still going strong"

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    Product Description

    Power your custom-built computer with this CORSAIR power supply. It's built for efficient operation, so it saves energy and doesn’t produce much heat, and it operates quietly at slow and medium speeds for a better work environment. The modular cable system of this CORSAIR power supply provides easy, clutter-free installation in compatible ATX desktop cases.
    Your price for this item is $69.99
    Top comment

    "pc runs great now...Modular is a plus...then I try it in another build with an ASUS MOBO the system start with out Fans Spinning I knew that another fan was death New Asus Mobo's wont start with defective fans , I fix it replacing the Chasis Fan and everything work again I maybe crazy but I thisk this psu loves to Fry Fans...Corsair makes a great power supply I have two cx 750 power supply's that I have been using in my home built computers windows 10 machines with two gtx 970 video cards running I sli for 4 years now still going strong"

    ""

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    Product Description

    Power your custom-built computer with this CORSAIR power supply. It's built for efficient operation, so it saves energy and doesn’t produce much heat, and it operates quietly at slow and medium speeds for a better work environment. The modular cable system of this CORSAIR power supply provides easy, clutter-free installation in compatible ATX desktop cases.
  12. Insignia™ - 450W ATX12V 2.4/EPS12V 2.92 80 Plus Power Supply - Gray - Front_Zoom
    Top comment

    "Good in a clutch...I would buy again...I am suprised this power supply has pushed my computer power up and it makes everything run better thanks for the good work you did I am very happy with it...I purchased this InsigniaT - 450W ATX12V 2.4/EPS12V 2.92 Power Supply and I was up and running in 15 minutes"

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    Product Description

    Keep your computer running well with this Insignia power supply. It produces 450W for better game and program performance, and its short circuit and over/under voltage protection prevent surges from harming your electronic devices. This Insignia power supply has a thermostat-controlled, low-noise fan to regulate temperatures without causing any disturbances.
    Your price for this item is $44.99
    Top comment

    "Good in a clutch...I would buy again...I am suprised this power supply has pushed my computer power up and it makes everything run better thanks for the good work you did I am very happy with it...I purchased this InsigniaT - 450W ATX12V 2.4/EPS12V 2.92 Power Supply and I was up and running in 15 minutes"

    ""

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    Product Description

    Keep your computer running well with this Insignia power supply. It produces 450W for better game and program performance, and its short circuit and over/under voltage protection prevent surges from harming your electronic devices. This Insignia power supply has a thermostat-controlled, low-noise fan to regulate temperatures without causing any disturbances.
  13. CORSAIR - RMx Series 850W ATX12V 2.4/EPS12V 2.92 80 Plus Gold Modular Power Supply - Black - Front_Zoom
    Top comment

    "Can't ask for more...Works like a charm...I haven't built a PC in probably 10 years and couldn't believe I would need 850 Watts, but I did and this thing works fantastic and it's quiet...For the best of a system I have msi GODLIKE i9 9900k 5.1 OC msi RTX 2070 Gaming Z OC on top of msi OC Corsair Dominator Platinum 64GB and all my Corsair products She can hold power"

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    Product Description

    Build an efficient, high-performance computer with this 850W Corsair RMx power supply unit. Its industrial-grade Japanese capacitors ensure solid power delivery, and it's fully modular for flexible configuration. Set this 80 PLUS Gold-rated Corsair RMx power supply unit on zero fan mode for quiet operation during low and medium loads.
    Your price for this item is $129.99
    Top comment

    "Can't ask for more...Works like a charm...I haven't built a PC in probably 10 years and couldn't believe I would need 850 Watts, but I did and this thing works fantastic and it's quiet...For the best of a system I have msi GODLIKE i9 9900k 5.1 OC msi RTX 2070 Gaming Z OC on top of msi OC Corsair Dominator Platinum 64GB and all my Corsair products She can hold power"

    ""

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    Product Description

    Build an efficient, high-performance computer with this 850W Corsair RMx power supply unit. Its industrial-grade Japanese capacitors ensure solid power delivery, and it's fully modular for flexible configuration. Set this 80 PLUS Gold-rated Corsair RMx power supply unit on zero fan mode for quiet operation during low and medium loads.
  14. EVGA - 850W ATX12V / EPS12V 80 Plus Gold Modular Power Supply - Black - Front_Zoom
    Top comment

    "EVGA is the best...No issues at all...This power supply is awesome to help with cable management and the needed power to keep up with higher end graphics cards...What I liked about this power supply most was that with exception of the ATX cable, the cables were modular"

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    Product Description

    Enjoy silent operation with this EVGA power supply. The ECO mode prevents the fan from running during low to medium loads, activating it only when needed, and the high-quality capacitors deliver 90 percent efficiency under typical loads. This EVGA power supply accommodates multiple NVIDIA graphics cards for high-performance gaming in stunning detail.
    Your price for this item is $159.99
    Top comment

    "EVGA is the best...No issues at all...This power supply is awesome to help with cable management and the needed power to keep up with higher end graphics cards...What I liked about this power supply most was that with exception of the ATX cable, the cables were modular"

    ""

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    Product Description

    Enjoy silent operation with this EVGA power supply. The ECO mode prevents the fan from running during low to medium loads, activating it only when needed, and the high-quality capacitors deliver 90 percent efficiency under typical loads. This EVGA power supply accommodates multiple NVIDIA graphics cards for high-performance gaming in stunning detail.
  15. Insignia™ - 550W ATX12V 2.4/EPS12V 2.92 80 Plus Bronze Power Supply - Gray - Front_Zoom
    Top comment

    "Lots of nice cords...Very happy with it...the wattage I get out of this power supply is enough to power a 1080 TI, while I do not suggest doing that, it certainly can handle it...I purchase this for a replacement power supply for my desktop computer and home I found this power supply more then good enough for my computer its had good long connections for all the drives works quietly and its have plenty of additional connections for future hardware updates and upgrades"

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    Product Description

    Add this Insignia power supply to your next desktop computer build. It delivers 550W RMS of stable, continuous power for your system, and its thermostat-controlled 120mm fan runs quietly, so it won't interfere with indoor activities. This Insignia power supply has short circuit defense and overvoltage protection for added safety.
    Your price for this item is $34.99
    Save $20
    The previous price was $54.99
    Top comment

    "Lots of nice cords...Very happy with it...the wattage I get out of this power supply is enough to power a 1080 TI, while I do not suggest doing that, it certainly can handle it...I purchase this for a replacement power supply for my desktop computer and home I found this power supply more then good enough for my computer its had good long connections for all the drives works quietly and its have plenty of additional connections for future hardware updates and upgrades"

    ""

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    Product Description

    Add this Insignia power supply to your next desktop computer build. It delivers 550W RMS of stable, continuous power for your system, and its thermostat-controlled 120mm fan runs quietly, so it won't interfere with indoor activities. This Insignia power supply has short circuit defense and overvoltage protection for added safety.