The Best 800W Power Supply: A Comprehensive Buyer's Guide

David Hill
  Jun 4, 2023 5:05 PM

For those looking to power their most demanding gaming and professional workstation PCs, the 800w power supply is an ideal choice. It is capable of delivering up to 800 watts of power, providing more than enough power for a high-end gaming PC or workstation. It features a single +12V rail that can deliver up to 66.6 amps of power, making it perfect for powering multiple video cards and other heavy-duty components. Additionally, the power supply comes with a variety of connectors for SATA, PCI-E, Molex, and FDD connectors. It is also 80 Plus certified, meaning it is highly efficient and can help save money on electricity costs.

The Best 800W Power Supply: A Comprehensive Buyer's Guide
Best 800w Power Supply Reviews & Buyer's Guide 2023. Image source: Amazon.com

Quick Comparison

NoImageProductScoreCheck
1Apevia ATX-PR800W Prestige 800W 80+ Gold Certified, RoHS Compliance, Active PFC ATX Gaming Power SupplyApevia ATX-PR800W Prestige 800W 80+ Gold Certified9.9Check Price
2Cooler Master G800 Gold Power Supply, 800W 80+ Gold Efficiency, Intel ATX Version 2.52, Fixed Flat Black Cables Quiet HDB Fan, 5 Year WarrantyCooler Master G800 Gold Power Supply9.8Check Price
3Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX Semi-Modular Gaming Power Supply…Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX9.7Check Price
4Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply, Supports Dual/Quad Core CPUs, SLI/Crossfire/Haswell, 3 Year WarrantyApevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply9.5Check Price
5Segotep GM850 Power Supply 850W, PCIe 5.0 & ATX 3.0 Full Modular 80 Plus Gold Certified Gaming PSU for NVIDIA RTX 20/30/40 Series and AMD Graphics Cards, 120mm Silent FDB Fan, 5 Year WarrantySegotep GM850 Power Supply 850W9.2Check Price

#1:Apevia ATX-PR800W Prestige 800W 80+ Gold Certified

Verdict

Apevia ATX-PR800W Prestige 800W 80 Plus Gold Certified & RoHS Compliance, Active PFC ATX Gaming Power Supply is a great choice for any gaming enthusiast that needs a reliable and powerful power supply.

Specs

  • 3-year warranty
  • Supports Dual/Quad/multi-core CPUs
  • Dc to DC converter design
  • Multi-gpu technologies supported
  • 1 x 20/24pin main power
  • 1 x 4/8pin 12V
  • 2 x PCI 6+2pin
  • 7 x SATA
  • 4 x peripheral
  • All protections

Pros

  • Reliable and powerful
  • Great for gaming enthusiasts
  • Dc to DC converter design for greater system stability
  • Multi-gpu technologies supported
  • All protections

Cons

  • None

#2:Cooler Master G800 Gold Power Supply

Verdict

The Cooler Master G800 Gold Power Supply is an ideal choice for anyone looking for an efficient and reliable power supply unit. It meets Intel ATX 2.52 standards, and is certified 80 PLUS gold, guaranteeing a typical efficiency of 90%. It also comes with two EPS connectors and a high temperature resistance up to 40℃, making it a great choice for anyone looking for a reliable power supply.

Specs

  • 80 PLUS Gold Certified
  • Intel ATX version 2.52
  • Hydrodynamic Fan
  • 2 EPS Connectors
  • High Temperature Resistance

Pros

  • High efficiency
  • Meets Intel ATX 2.52 standards
  • Two EPS connectors
  • High temperature resistance up to 40℃
  • Quiet operation
  • 5 year warranty

Cons

  • Fixed flat black cables

#3:Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX

Verdict

The Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX Semi-Modular Gaming Power Supply is a great choice for gamers with powerful systems. It offers high wattage, high grade quality components, and great protection features while being semi-modular for ease of cable management.

Specs

The Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX Semi-Modular Gaming Power Supply offers an impressive 850W of power and is 80+ Gold certified for efficiency. It has a modular design that supports cable management and includes connectors for 1 x 20/24pin Main Power, 2 x P8(4+4P) ESP 12V, 4 x SATA + 4 x 8(6+2)pin PCI-E, 4 x Peripheral, and 1 x Floppy. It also has a single 12V output for higher power usage, an auto-thermally controlled 135mm black fan, and heavy duty protections against short-circuiting, over-voltage, over-power, and under-voltage. The power supply supports ATX 12V 2.3 version and is compatible with dual/quad core CPUs and SLI/Crossfire/Haswell.

Pros

  • High wattage
  • High grade quality components
  • Great protection features
  • Semi-modular for easy cable management
  • 80+ Gold certified for efficiency
  • Compatible with dual/quad core CPUs and SLI/Crossfire/Haswell

Cons

No significant cons.

#4:Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply

Verdict

The Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply is a great choice for gamers looking for a reliable and powerful power supply.

Specs

The Apevia ATX-JP800W power supply comes with 3-year warranty and features Auto-Thermally Controlled 135mm Black Fan, Single 12V Output for Higher Power Usage and Supports ATX 12V 2.3 Version, Dual/Quad Core CPUs, SLI/Crossfire/Haswell. It has Connectors: 1 x 20/24pin Main Power, 1 x P8(4+4P) ESP 12V, 4 x SATA + 4 x 8(6+2)pin PCI-E, 4 x Peripheral, 1 x Floppy. The Output is +3.3V@20A, +5V@20A, +12V@58A, -12V@0.3A, +5Vsb@2.5A and features Heavy Duty Protections: Short-Circuit/ Over-Voltage/ Over-Power/ Under-Voltage Protectionss.

Pros

  • 3-year warranty
  • Auto-Thermally Controlled 135mm Black Fan
  • Single 12V Output for Higher Power Usage
  • Supports ATX 12V 2.3 Version, Dual/Quad Core CPUs, SLI/Crossfire/Haswell
  • Connectors: 1 x 20/24pin Main Power, 1 x P8(4+4P) ESP 12V, 4 x SATA + 4 x 8(6+2)pin PCI-E, 4 x Peripheral, 1 x Floppy
  • Output: +3.3V@20A, +5V@20A, +12V@58A, -12V@0.3A, +5Vsb@2.5A
  • Heavy Duty Protections: Short-Circuit/ Over-Voltage/ Over-Power/ Under-Voltage Protectionss

#5:Segotep GM850 Power Supply 850W

Verdict:

Verdict

The Segotep GM850 Power Supply 850W is an excellent choice for gamers looking for reliable performance and efficiency. It comes with a fully modular design, 80 Plus Gold certification, ATX 3.0 & PCIe 5.0 Ready, and Native 12VHPWR Cable support. It is compatible with all major graphics cards, making it a great choice for gaming builds.

Specs:

Specs

  • ATX 3.0 & PCIe 5.0 Ready
  • 80 Plus Gold Certified
  • Fully Modular
  • Native 12VHPWR Cable
  • Graphics Cards Support for All
Pros:

Pros

  • High power efficiency
  • Modular design for improved airflow and cable management
  • Compatible with all major graphics cards
  • 5 year warranty
Cons:

Cons

The only downside to the Segotep GM850 Power Supply 850W is the price. It is a bit expensive compared to other similar power supplies.

1
Apevia ATX-PR800W Prestige 800W 80+ Gold Certified, RoHS Compliance, Active PFC ATX Gaming Power Supply
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.9
  • Brand
    Apevia
2
Cooler Master G800 Gold Power Supply, 800W 80+ Gold Efficiency, Intel ATX Version 2.52, Fixed Flat Black Cables Quiet HDB Fan, 5 Year Warranty
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.8
  • Brand
    Cooler Master
3
Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX Semi-Modular Gaming Power Supply…
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.7
  • Brand
    Apevia
4
Apevia ATX-JP800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply, Supports Dual/Quad Core CPUs, SLI/Crossfire/Haswell, 3 Year Warranty
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.5
  • Brand
    Apevia
5
Segotep GM850 Power Supply 850W, PCIe 5.0 & ATX 3.0 Full Modular 80 Plus Gold Certified Gaming PSU for NVIDIA RTX 20/30/40 Series and AMD Graphics Cards, 120mm Silent FDB Fan, 5 Year Warranty
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.2
  • Brand
    Segotep
6
CHENGLIANG POWER SUPPLY Dc 24v 33.3a 800w Original Manufacture Switching Power Supply (CL-P800W24V33.3A)
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.1
  • Brand
    CHENGLIANG POWER SUPPLY
7
RAIDMAX Vortex 800watts 80 Plus Certified Power Supply ATX 12V v2.3 / EPS 12V 120mm Quiet Fan Compatiable with nVidia GeForce and AMD Radeon (800ACV)
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.9
  • Brand
    Raidmax
8
Corsair RM Series, RM850, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply, Microsoft Modern Standby (CP-9020196-NA)
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.8
  • Brand
    Corsair
9
Apevia JUPITER800W Jupiter 800W 80 Plus Bronze Certified Active PFC ATX Gaming Power Supply, Supports Dual/Quad Core CPUs, SLI/Crossfire/Haswell
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.5
  • Brand
    Apevia
10
Generic 800W Power Supply 723600-101 720479-B21 For HP Proliant DL380 G9 Power Supply DPS-800AB11 A
  • Score

    Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.4
  • Brand
    Generic

Last update on 2023-06-04 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

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Common Questions

Cooler Master G800 Gold Power Supply, 800W 80+ Gold Efficiency, Intel ATX Version 2.52, Fixed Flat Black Cables Quiet HDB Fan, 5 Year Warranty

Best 800w Power Supply: Our Picks for High-Performance Computing. Image source: Amazon.com

What is a 800w power supply?

A 800w power supply is an internal power supply unit that supplies DC power to the components of a computer. It provides the necessary voltage and current to the components to operate correctly.

How does a 800w power supply work?

A 800w power supply works by taking the AC power from the wall outlet and converting it to the necessary DC power for the components. It also regulates the voltage and current to provide the components with the necessary power.

What are the benefits of using a 800w power supply?

The benefits of using a 800w power supply include increased system stability, improved efficiency, and greater compatibility with newer components. The higher wattage also allows for more powerful components to be installed in the system.

What should you consider when buying a 800w power supply?

When buying a 800w power supply, you should consider the amount of power needed for your system, the efficiency level, the connectors available, and the size of the unit. You should also look for units with good reviews and customer support.

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Conclusion

Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX Semi-Modular Gaming Power Supply…

Best 800w Power Supply: Our Top Picks for 2023. Image source: Amazon.com

I think Apevia ATX-PR800W Prestige 800W 80+ Gold Certified is the best 800w power supply you can find on the market. It's reliable, powerful and provides excellent performance. It also comes with a good warranty and customer service, which makes it a great choice for anyone looking for a reliable power supply.

4
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David Hill
David Hill

David Hill, also known as David for short, is a highly experienced art teacher and writer with over 10 years of experience in the art sector. With his deep knowledge and understanding of the arts, David has set standards for others in his local art community and has been recognized for his expertise and passion for the arts.