Super Flower
Leadex III 850W Gold
Best power supply for high-performance gaming and professional workstation builds.
The Super Flower Leadex III Gold 850W is a high-performance power supply unit designed for demanding PC builds. It boasts an 80+ Gold certification, ensuring excellent energy efficiency. This fully modular PSU offers ample wattage for powerful components and features a variety of essential connectors, including multiple PCIe and SATA ports. Its 160mm length makes it compatible with a wide range of ATX cases. The Leadex III Gold is known for its reliability and quiet operation, making it a solid choice for gamers and professionals seeking stable and efficient power delivery.
$179.00
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Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1062
#28 in Computer Power Supplies
Price vs Category Average
-81%
Below average
Manufacturer
Super Flower
/ Super Flower
Who it's for
- PC builders prioritizing long-term component health and stability
- Budget-conscious users seeking energy efficiency and premium internal parts
- System builders wanting easy cable management and silent operation
Who should skip it
- Builders working within cramped or small-form-factor cases
- Users with compact PC cases requiring shorter power supplies
- Shoppers comparing value against higher efficiency or longer warranties
Performance breakdown
Energy Efficiency
80 Plus Gold certification ensures minimal power waste under heavy loads.
Cable Management
Fully modular design simplifies installation and keeps your case clutter-free.
Acoustic Performance
Quiet operation maintains a peaceful environment even during intense gaming sessions.
Component Compatibility
Standard 160mm length fits comfortably into most modern ATX chassis.
Connectivity Versatility
Generous array of PCIe and SATA ports supports complex, multi-drive builds.
Build Reliability
Robust construction provides consistent, stable power delivery for high-end hardware.
Key Specs
Manufacturer
Super Flower
Model
Leadex III Gold 850W
Wattage
850 W
Efficiency Rating
80 Plus Gold
Modularity
Fully Modular
Form Factor
ATX
Connectors
2 x EPS 8-pin, 6 x PCIe 6+2-pin, 9 x SATA, 4 x AMP/Molex 4-pin
Dimensions
160 mm length
Features
- Fully modular design for easy cable management.
- 80+ Gold certified for high energy efficiency.
- Stable power for high-end gaming PCs.
- Quiet and reliable operation.
- Durable construction for longevity.
- Supports clean builds and better airflow.
- Includes cable storage pouch.
- Fan speed control switch.
What customers say
Customers overwhelmingly praise the Super Flower Leadex III 850W Gold for its exceptional reliability and stable performance. The 80 PLUS Gold efficiency ensures consistent power delivery, vital for demanding systems. A major highlight is the quiet operation, achieved through the FDB fan and selectable ECO mode for semi-fanless use, creating a serene computing environment. Builders highly value the fully modular design, which simplifies installation and cable management. Reviewers note the premium build quality and high-grade internal components, reinforcing confidence in its durability. Despite minor aesthetic critiques, the consensus is that this unit delivers enthusiast-grade features and dependable efficiency at a competitive price, making it an outstanding value recommendation.
Know before you buy
A fully modular design means every cable can be detached from the power supply unit. This allows you to use only the cables you need, which significantly reduces clutter inside your case and improves internal airflow.
Yes, the Leadex III Gold features a standard ATX form factor with a length of 160mm. It is designed to fit comfortably in most mid-tower and full-tower ATX cases.
This unit includes six PCIe 6+2-pin connectors, providing enough flexibility to power multiple high-performance graphics cards or a single power-hungry GPU that requires multiple power inputs.
The fan speed control switch allows you to manually adjust the cooling profile of the power supply. You can choose between a quieter operation for light tasks or a more aggressive cooling mode to keep temperatures lower during intense gaming sessions.
Yes, an 80 Plus Gold rating indicates that the power supply is at least 87% to 90% efficient at various load levels. This means less electricity is wasted as heat, which can lower your energy consumption over time compared to lower-rated units.
Absolutely. It comes equipped with nine SATA connectors and four Molex connectors, providing plenty of capacity for multiple hard drives, SSDs, and other peripheral devices.
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