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850w power supply

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Best Buy customers often prefer the following products when searching for 850w power supply.

A power supply is one of the most important components in a computer, and it's also one of the most overlooked. Choosing the right power supply can be confusing, but if you're building a new system or upgrading an old one, you'll want to make sure you choose a good one. Here are some of our top picks.

Main Results
  1. Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 850W Semi-Modular Power Supply - Black - Front_Zoom

    Product Description

    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.
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    Product Description

    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.
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    See all Power Supplies
  2. Thermaltake - Toughpower GF A3 1050W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Front_Zoom
    Top comment

    "My existing 850W PSU gave up the ghost after 5 months. I needed something locally available with preferably more wattage headroom and fortunately this was available at BB. "

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    Product Description

    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.
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    Top comment

    "My existing 850W PSU gave up the ghost after 5 months. I needed something locally available with preferably more wattage headroom and fortunately this was available at BB. "

    See all customer reviews

    Product Description

    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 Supplies
    See all Power Supplies
  3. Thermaltake - Toughpower GF3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Alt_View_Zoom_11
    Top comment

    "Thermaltake Toughpower GF3 850W 80 Plus Gold...The Thermaltake Toughpower GF3 850W 80 Plus Gold is quiet and powers a modern AMD system with advanced video card without issue. "

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    Product Description

    Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel‘s ATX 3.0 specification and is built for next-gen PCIe 5.0 graphics cards. PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 850W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < ±2%, hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power. GF3 850W also features with Designed with our Smart Zero Fan, the fan will not spin until the load exceeds 30% of the power supply, minimizing the fan noise, and a 135mm fluid bearing fan to guarantee superior cooling performance.
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    Top comment

    "Thermaltake Toughpower GF3 850W 80 Plus Gold...The Thermaltake Toughpower GF3 850W 80 Plus Gold is quiet and powers a modern AMD system with advanced video card without issue. "

    See all customer reviews

    Product Description

    Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel‘s ATX 3.0 specification and is built for next-gen PCIe 5.0 graphics cards. PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 850W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < ±2%, hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power. GF3 850W also features with Designed with our Smart Zero Fan, the fan will not spin until the load exceeds 30% of the power supply, minimizing the fan noise, and a 135mm fluid bearing fan to guarantee superior cooling performance.
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    See all Power Supplies
  4. Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Front_Zoom

    Product Description

    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 Supplies

    Product Description

    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 Supplies
    See all Power Supplies
  5. Thermaltake - GF1 (2024) 850W 80 PLUS Gold Fully Modular Power Supply - Black - Front_Zoom

    Product Description

    Thermaltake GF1 Series power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. GF1 PSUs use only High Quality 105°C main capacitors, for long life and reliability backed by a ten-year warranty. A 120mm fluid bearing fan ensures high performance coupled with low noise. Smart Zero Fan 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 GF1 PSU is quiet, efficient and dependable enough to power your high-performance PC for years to come.
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    Product Description

    Thermaltake GF1 Series power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. GF1 PSUs use only High Quality 105°C main capacitors, for long life and reliability backed by a ten-year warranty. A 120mm fluid bearing fan ensures high performance coupled with low noise. Smart Zero Fan 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 GF1 PSU is quiet, efficient and dependable enough to power your high-performance PC for years to come.
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    See all Power Supplies
  6. Thermaltake - Toughpower GF3 1000W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black - Front_Zoom

    Product Description

    PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 1000W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < �2%, Hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power.Toughpower GF3 series is fully compatible with Intel ATX 3.0 Specifications which supports up to 200% power excursion, reaches 70% low load efficiency and complies with required power supply timing standards. The GF3 series can sustain up to 3x GPU power excursion and 2x total power excursion.
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    Product Description

    PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 1000W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < �2%, Hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power.Toughpower GF3 series is fully compatible with Intel ATX 3.0 Specifications which supports up to 200% power excursion, reaches 70% low load efficiency and complies with required power supply timing standards. The GF3 series can sustain up to 3x GPU power excursion and 2x total power excursion.
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    See all Power Supplies
  7. MSI - A850GL PCIE 5 850W ATX 3.0 Full Modular 80 Plus Gold Gaming Power Supply - Black - Front_Zoom
    Top comment

    "Price is amazing Gold rating 850w is plenty of power...MSI - A850GL PCIE 5 850W ATX 3.0 Full Modular 80 P...MSI - A850GL PCIE 5 850W ATX 3.0 Full Modular 80 Plus Gold Gaming Power Supply - Black love this good job msi"

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    Product Description

    The MAG A850GL PCIE 5 power supply overflows with potency, a hallmark of the MAG series that aligns with gamers' pursuit of excellence. Infused with military-inspired elements, these gaming products have evolved into symbols of resilience. Efficiency matters, impacting performance and power use. The 80 PLUS Gold certification pledges lower energy consumption and higher efficiency. Compact and efficient, the A850GL PCIE 5 optimizes space and cable organization. Unneeded connectors are eliminated, reducing clutter and simplifying builds. Unused cables find refuge in the included cable pack. Cable organization, a common woe, finds a solution. Flat cables streamline management, enhancing airflow and orderliness. The power supply's fan employs fluid dynamic bearing, balancing cooling and noise. DC to DC and Full Bridge merge for higher efficiency and stable voltage, adapting swiftly to different needs. Sufficient power reigns, as the single rail supply caters to high-performance GPUs and CPUs with 5 CPU & PCI-E slots. Safety is paramount. Protective mechanisms ensure stability, empowering worry-free operation. In essence, the A850GL PCIE 5 L epitomizes power, space-efficiency, cable harmony, and safety. A pinnacle of technology in the MAG series, empowering triumphant gaming while embodying its spirit.
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    Top comment

    "Price is amazing Gold rating 850w is plenty of power...MSI - A850GL PCIE 5 850W ATX 3.0 Full Modular 80 P...MSI - A850GL PCIE 5 850W ATX 3.0 Full Modular 80 Plus Gold Gaming Power Supply - Black love this good job msi"

    See all customer reviews

    Product Description

    The MAG A850GL PCIE 5 power supply overflows with potency, a hallmark of the MAG series that aligns with gamers' pursuit of excellence. Infused with military-inspired elements, these gaming products have evolved into symbols of resilience. Efficiency matters, impacting performance and power use. The 80 PLUS Gold certification pledges lower energy consumption and higher efficiency. Compact and efficient, the A850GL PCIE 5 optimizes space and cable organization. Unneeded connectors are eliminated, reducing clutter and simplifying builds. Unused cables find refuge in the included cable pack. Cable organization, a common woe, finds a solution. Flat cables streamline management, enhancing airflow and orderliness. The power supply's fan employs fluid dynamic bearing, balancing cooling and noise. DC to DC and Full Bridge merge for higher efficiency and stable voltage, adapting swiftly to different needs. Sufficient power reigns, as the single rail supply caters to high-performance GPUs and CPUs with 5 CPU & PCI-E slots. Safety is paramount. Protective mechanisms ensure stability, empowering worry-free operation. In essence, the A850GL PCIE 5 L epitomizes power, space-efficiency, cable harmony, and safety. A pinnacle of technology in the MAG series, empowering triumphant gaming while embodying its spirit.
    See all Power Supplies
    See all Power Supplies
  8. MSI MPG A850G PCIE 5 - Full Modular – 80 Plus Gold 850W - 100% Japanese 105°C Capacitors – ATX 3.0 Gaming Power Supply - Black - Front_Zoom
    Top comment

    "I have had zero issues with this, and my PC requires right at 850W....Msi 850w"

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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

    "I have had zero issues with this, and my PC requires right at 850W....Msi 850w"

    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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    See all Power Supplies
  9. CORSAIR - RM Series RM850 850W ATX 80 PLUS GOLD Certified Fully Modular Power Supply - White - Front_Zoom
    Top comment

    "Good 850w psu...3070ti and 5800x spec, still doesn’t use all the 850w. White cords look clean in the case too"

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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

    "Good 850w psu...3070ti and 5800x spec, still doesn’t use all the 850w. White cords look clean in the case too"

    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
  10. CORSAIR - SF-L Series SF850L 80 Plus Gold Fully Modular ATX Power Supply - Black - Front_Zoom
    Top comment

    "Replaced my 750w with this 850w and the coil whine went away."

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    Product Description

    CORSAIR SF-L Series Fully Modular SFX Power Supplies with ATX 3.0 and PCIe 5.0 compliance provide the continuous high wattages demanded by the latest PC hardware, all in a space-saving SFX-L form-factor. Micro-fit PSU connectors and fully modular, flexible cables enable a tidy and compact build, even for exceedingly powerful systems. A 120mm rifle bearing PWM fan deploys Zero RPM mode at lower loads for exceptionally quiet performance. Japanese 105°C-rated electrolytic capacitors deliver long life and reliability, backed by a seven-year warranty. Wake your computer faster and consume less power with Modern Standby sleep mode. For high-wattage, 80 PLUS Gold power in a compact profile, the SF-L Series is your small form X-factor.
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    Top comment

    "Replaced my 750w with this 850w and the coil whine went away."

    See all customer reviews

    Product Description

    CORSAIR SF-L Series Fully Modular SFX Power Supplies with ATX 3.0 and PCIe 5.0 compliance provide the continuous high wattages demanded by the latest PC hardware, all in a space-saving SFX-L form-factor. Micro-fit PSU connectors and fully modular, flexible cables enable a tidy and compact build, even for exceedingly powerful systems. A 120mm rifle bearing PWM fan deploys Zero RPM mode at lower loads for exceptionally quiet performance. Japanese 105°C-rated electrolytic capacitors deliver long life and reliability, backed by a seven-year warranty. Wake your computer faster and consume less power with Modern Standby sleep mode. For high-wattage, 80 PLUS Gold power in a compact profile, the SF-L Series is your small form X-factor.
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    See all Power Supplies
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