10 Best 800ws of 2025

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Best Choice

1

Corsair
CORSAIR RM850x Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black

10% Off
Main highlights

Efficient and Reliable Power
The Corsair RM850x offers 80 PLUS Gold efficiency, ensuring lower power consumption and cooler operation.

Ideal for High-Performance Builds
Perfect for high-end PCs, supporting powerful CPUs and GPUs with its robust power delivery.

Highly Praised Longevity
Customers appreciate its 10-year warranty and durable Japanese capacitors for long-term reliability.
Key specs
- output wattage:850W
- form factor:ATX
- number of fans:1
- cooling method:Magnetic Levitation Fan
- wattage:850W
9.9

Exceptional

Our Rating

9.5
Efficient Energy Use

9.1
Easy installation

9.1
Noise level
How do we rank?

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

MSI
MSI MAG A850GL PCIE 5.1 & ATX 3.1 Gaming Power Supply - Full Modular - 80 Plus Gold Certified 850W - Compact Size - ATX PSU - 10 Year Warranty
Main highlights

80 PLUS Gold Efficiency
Delivers high efficiency with 80 PLUS Gold certification for energy savings.

Ideal for Gaming Builds
Perfect for high-performance gaming setups with PCIe 5 and ATX 3.0 support.

Highly Praised Modularity
Users love the fully modular design for clean cable management.
Key specs
- output wattage:850W
- form factor:ATX 3.0
- number of fans:N/A
- cooling method:N/A
- wattage:N/A
9.7

Exceptional

Our Rating
3

Apevia
Apevia ATX-PR800W Prestige 800W 80+ Gold Certified, RoHS Compliance, Active PFC ATX Gaming Power Supply
Main highlights

Key Features
80 Plus Gold Certified, supports multi-core CPUs and multi-GPU, with dynamic response for stability and high 12V DC rail output.

Ideal Use Cases
Perfect for high-end gaming rigs, professional workstations, and systems requiring stable, efficient power for advanced graphics and CPU operations.

Customer Praise
Most reviews highlight its reliable performance, quiet operation, and the quality build as the power supply`s standout features.
9.6

Exceptional

Our Rating

9.3
Easy installation

8.2
Efficient Energy Use

8.0
worth the money
4

Cooler Master
Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty
Main highlights

Exceptional Energy Efficiency
80 Plus Gold certification ensures effective power use and reduced wastage.

Ideal for Gaming and Streaming
Perfect for high-performance setups with multiple GPUs and CPUs.

Praised for Quiet Operation
Optimized fan curve and premium bearings keep noise low.
9.3

Excellent

Our Rating

8.7
Easy installation

8.2
Noise level

8.0
worth the money
5

Thermaltake
Thermaltake GF1 (2024) Fully Modular ATX 850W Power Supply - 80 Plus Gold - Ultra Quiet - Zero RPM, PS-TPD-0850FNFAGU-P
Main highlights

Energy_Efficiency_and_Quiet_Operation
80Plus Gold certified, Smart Zero Fan minimizes noise, ultra-quiet 140mm fan.

Ideal_for_Budget_Builds
Great for budget-friendly setups with efficient power distribution.

Praised_Feature_in_Reviews
Highly rated for quiet performance and modular design.
Key specs
- output wattage:850W
- form factor:N/A
- number of fans:1
- cooling method:Fan
- wattage:N/A
9.1

Excellent

Our Rating
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6

Thermaltake
Thermaltake Smart 700W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0700NPCWUS-W

19% Off
Main highlights

Key Features
80 Plus certified with continuous power design, Hs well ready, and ultra-quiet 120mm fan. Includes a 5-year warranty for reliability.

Ideal Use Cases
Perfect for high-performance PCs, gaming setups, or any system requiring stable, efficient energy and minimal noise.

Customer Praise
Reviewers consistently highlight the ultra-quiet fan as the standout feature, appreciating the significant noise reduction in their setups.
9.0

Excellent

Our Rating

9.3
worth the money

9.3
Easy installation

9.1
Noise level
7

Apevia

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
8.7

Very Good

Our Rating
8

T.F.SKYWINDINTL
800W Power Supply 80 Plus Gold PSU Standard ATX Computer Power Supplies Non Modular Build-in 120MM Ultra-Quiet FDB Fan with 115/230V Switch for Desktop Gaming PC Server
Main highlights

Efficient Power Supply
Provides stable 800W output with 87% efficiency, ensuring reliable performance for demanding systems.

Versatile Usage
Ideal for gaming PCs, desktops, and servers, fitting mid-tower and mATX cases.

Quiet and Durable
120mm ultra-quiet fan and Japanese capacitors praised for low noise and longevity.
Key specs
- output wattage:800W
- form factor:ATX
- number of fans:1
- cooling method:Hydraulic bearing fan
- wattage:800W
8.5

Good

Our Rating
9

T.F.SKYWINDINTL

800W PSU 80 Plus Gold Standard ATX Computer Power Supply Non Modular Build-in 125MM Ultra-Quiet FDB Fan with 20+4Pin Motherboard Power for Desktop Gaming PC Server

16% Off
8.4

Good

Our Rating
10

Segotep

Segotep GM850 Power Supply 850W, PCIe 5.1 & ATX 3.1 Full Modular 80 Plus Gold Certified Gaming PSU for NVIDIA RTX 20/30/40/50 Series and AMD Graphics Cards
8.3

Good

Our Rating

9.9
Efficient Energy Use

9.7
for playing video games

9.3
Easy installation

10 Best 800ws of 2025

1

CORSAIR RM850x Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black

9.5

9.1

9.1

How do we rank?

How do we rank?

Analyzing top stores

2

MSI MAG A850GL PCIE 5.1 & ATX 3.1 Gaming Power Supply - Full Modular - 80 Plus Gold Certified 850W - Compact Size - ATX PSU - 10 Year Warranty

3

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

9.3

8.2

8.0

4

Cooler Master MWE Gold 850 V2 Full Modular, 850W, 80+ Gold Efficiency, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless Operation, 5 Year Warranty

8.7

8.2

8.0

5

Thermaltake GF1 (2024) Fully Modular ATX 850W Power Supply - 80 Plus Gold - Ultra Quiet - Zero RPM, PS-TPD-0850FNFAGU-P

6

Thermaltake Smart 700W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0700NPCWUS-W

9.3

9.3

9.1

7

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

8

800W Power Supply 80 Plus Gold PSU Standard ATX Computer Power Supplies Non Modular Build-in 120MM Ultra-Quiet FDB Fan with 115/230V Switch for Desktop Gaming PC Server

9

800W PSU 80 Plus Gold Standard ATX Computer Power Supply Non Modular Build-in 125MM Ultra-Quiet FDB Fan with 20+4Pin Motherboard Power for Desktop Gaming PC Server

10

Segotep GM850 Power Supply 850W, PCIe 5.1 & ATX 3.1 Full Modular 80 Plus Gold Certified Gaming PSU for NVIDIA RTX 20/30/40/50 Series and AMD Graphics Cards

9.9

9.7

9.3

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