EVGA SuperNOVA 850 G+ 850W Review: Specs, Pros and Cons
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This evga supernova 120 gp 0850 x1 review covers the EVGA SuperNOVA 850 G+ 850W PSU. It is a fully modular power supply unit designed for high-performance systems. The two defining specs are its 80 Plus Gold efficiency rating and its 10-year warranty. The unit delivers 850 watts of continuous power. It features a 135mm fan with a fluid dynamic bearing. This combination of efficiency and long-term support makes it a strong candidate for builders who value reliability and power output.
What stands out
- 80 Plus Gold certification ensures 90% efficiency at 115VAC.
- Fully modular cable design simplifies case management.
- 10-year warranty provides long-term peace of mind.
- 135mm fan with fluid dynamic bearing for quiet operation.
- Comprehensive protections including OVP, UVP, OCP, OPP, SCP, and OTP.
Who it fits
Good fit for
This power supply suits builders with high-end GPUs and CPUs that require stable power delivery. The 850W capacity and Gold efficiency make it ideal for gaming rigs and workstations. The fully modular design helps users with limited case space maintain clean cable routing. Its extensive protection features also benefit users who run their systems for extended periods. If you want a reliable unit with a long warranty, this is a solid choice.
Who should skip it
You might look elsewhere if you need extreme overclocking headroom beyond 850W. The 850W limit may not suffice for systems with multiple high-end GPUs. Users preferring a non-modular design for simplicity might find the fully modular setup unnecessary. Those on a very tight budget should consider lower-tier options, as this unit commands a premium for its Gold rating and warranty. It is not the best fit for low-power office builds.
Verdict: The EVGA SuperNOVA 850 G+ offers robust specs and a long warranty for serious builds. It is a dependable choice for users who prioritize efficiency and reliability.
Key specs explained for EVGA 850 G+
80 Plus Gold Efficiency Rating
This rating means the power supply converts AC power to DC power with high efficiency. You get 90 percent efficiency at 115VAC and 92 percent at 220-240VAC. Less energy is wasted as heat. This lowers your electricity bill and reduces strain on cooling fans. It is a practical choice for users who run their PCs for long hours or want to minimize power waste in their build.
850W Wattage
This value indicates the maximum continuous power the unit can deliver to your components. It provides enough headroom for high-end graphics cards and multi-core processors. You can connect multiple drives and peripherals without hitting the limit. It suits gamers and creators who need stable power for demanding workloads. Compare this to lower wattage units if you plan to upgrade your GPU or CPU in the future.
Fully Modular
This means you can detach all cables from the unit. You only plug in the cables you actually need for your build. This reduces cable clutter inside your case and improves airflow. It makes installation easier and keeps your system looking clean. This feature is essential for small form factor builds or anyone who values tidy cable management over fixed cable setups.
10 Year Warranty
This coverage period protects your investment for a decade. It signals that the manufacturer stands behind the build quality and component longevity. You have peace of mind knowing you can get support or replacement if issues arise. This is longer than many standard units. It is a key factor for buyers who want a long-term solution without worrying about frequent replacements.
135mm Fan Size
This larger fan size allows the unit to move more air at lower speeds. It results in quieter operation under typical loads. The fluid dynamic bearing adds to smoothness and longevity. You will notice less noise compared to smaller fans spinning faster. This is beneficial for users who prioritize a silent computing experience while gaming or working on audio projects.
Design and build overview
The EVGA SuperNOVA 850 G+ measures 5.9 inches wide, 3.35 inches high, and 7.1 inches long. It weighs 7 pounds. The listing describes the finish as gold. You should check your case dimensions before buying. This form factor fits most standard mid-tower and full-tower chassis. The compact footprint helps with cable management in smaller builds.
The unit is fully modular. This means you connect only the cables you need. You can remove unused wires to improve airflow inside your case. The listing notes a 135mm fluid dynamic bearing fan. This larger fan size typically allows for quieter operation at low loads. You get smoother cooling without the noise of smaller, faster-spinning fans.
Protection circuits are built into the design. The listing specifies OVP, UVP, OCP, OPP, SCP, and OTP. These safeguards protect your components from voltage spikes, overcurrent, and overheating. The 80 Plus Gold rating confirms high efficiency under typical loads. You waste less power as heat. The 10-year warranty covers the unit. This long coverage suggests the internal components are built for durability. You can rely on the listing for these structural details when planning your build.
Setup and everyday use
Setting up this fully modular unit requires connecting only the cables you need. You do not have to manage unused wires, which keeps your build tidy. The 135mm fan is a standard size for most cases, making physical installation straightforward. You should verify that your computer case has enough depth to accommodate the 7.1-inch length of the unit.
In daily use, the 80 Plus Gold certification ensures the power supply runs efficiently. You get 90 percent efficiency at 115VAC and 92 percent at 220-240VAC. This means less energy is wasted as heat during typical loads. The unit handles 850W of continuous power, supporting high-performance components without strain.
Safety is built into the design with heavy-duty protections. The unit includes over-voltage protection, under-voltage protection, over-current protection, over-power protection, short-circuit protection, and over-temperature protection. These features help safeguard your connected hardware from power fluctuations or faults. The fluid dynamic bearing fan is designed for quiet operation and longevity. You can rely on the 10-year warranty for long-term peace of mind. The unit weighs 7 pounds, providing a solid build. You can install it with confidence, knowing the specifications support stable performance for demanding systems.
Before you buy this PSU
You need to verify your case supports the 5.9 by 7.1 by 3.35 inch form factor. This unit is fully modular, so you must purchase separate PCIe and SATA cables if your kit does not include them. The 135mm fan fits most standard chassis, but check your specific case dimensions for clearance. You should ensure your motherboard has enough SATA power connectors for all drives, as this supply provides a fixed number of ports. Regularly clean the 135mm fluid dynamic bearing fan to maintain optimal airflow and efficiency. This model sits alongside other high-wattage options by offering strong 80 Plus Gold efficiency, which reduces heat and energy waste. It suits users building high-performance systems who prioritize reliability and clean cable management over basic ATX standards.
Check before you buy
- Check your case dimensions for the 5.9 by 7.1 inch footprint.
- Verify you have enough SATA connectors for all your drives.
- Confirm your motherboard supports the required PCIe power cables.
- Plan for regular fan cleaning to maintain airflow.
- Ensure your system needs 850 watts for optimal performance.
The product at a glance
EVGA SuperNOVA 850 G+ 850W PSU
Best for: Standard ATX builds needing reliability
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Fan Size
- 135mm
- Warranty
- 10 Year
- Dimensions
- 7.1 × 5.9 × 3.35 inches
View on Amazon: EVGA SuperNOVA 850 G+ 850W PSU Affiliate link
The EVGA SuperNOVA 850 G+ delivers 850W of power with 80 PLUS Gold efficiency. It features a fully modular design and a 135mm fluid dynamic bearing fan for quiet operation. This unit includes comprehensive protections like OVP and OCP. It suits builders needing reliable performance and a long 10-year warranty for their desktop PC.
Pros
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- 10-year warranty coverage
- 135mm fluid dynamic bearing fan
Cons
- Heavier build at 7 pounds
- Standard ATX form factor size
- No smart monitoring features listed
Good fit if
- You want high efficiency for lower heat
- You need a long warranty period
- You prefer fully modular cables
Skip if
- You require digital monitoring apps
- You need a smaller SFX form factor
- You prefer a fanless passive design
Verdict: EVGA SuperNOVA 850 G+ 850W is a solid choice for users prioritizing efficiency and warranty length over smart features. It fits well in standard mid-tower cases where cable management is key.
Specifications side by side
| Spec | EVGA SuperNOVA 850 G+ 850W PSU |
|---|---|
| Wattage | 850W |
| Efficiency Rating | 80 Plus Gold |
| Modularity | Fully Modular |
| Fan Size | 135mm |
| Warranty | 10 Year |
| Size | 850W |
| Dimensions | 7.1 × 5.9 × 3.35 inches |
| Weight | 7 pounds |
| Color | gold |
| Model | 120-GP-0850-X1 |
Frequently asked questions
Is the EVGA SuperNOVA 850 G+ fully modular?
Yes, this power supply is fully modular. You only connect the cables required for your specific components. This design helps you manage cables better inside your case. It reduces clutter and improves airflow. You do not need to deal with unused wires that can block airflow or make installation difficult.
What is the efficiency rating of this PSU?
The EVGA SuperNOVA 850 G+ holds an 80 Plus Gold efficiency rating. This means it converts AC power to DC power with high efficiency. You get 90 percent efficiency at 115VAC and 92 percent at 220-240VAC. Less energy is wasted as heat during operation, which helps keep your system cooler.
What are the physical dimensions of this power supply?
The unit measures 5.9 inches wide, 3.35 inches high, and 7.1 inches long. It weighs 7 pounds. The listing describes the finish as gold. You should check your case dimensions before buying to ensure it fits. This form factor fits most standard mid-tower cases without issue.
How much power does the EVGA 850 G+ deliver?
This model delivers 850 watts of power. It is designed for high-performance systems that need reliable power delivery. The 850W output handles demanding components well. It fits well in standard builds where cable management is key. You get solid performance for gaming or workstation tasks.
Is this PSU good for standard ATX builds?
Yes, it is a solid choice for standard ATX builds. It prioritizes efficiency and reliability over smart features. It fits well in standard mid-tower cases. The fully modular design helps keep your build tidy. You get a dependable power source for typical high-performance PC setups.
Does the EVGA SuperNOVA 850 G+ have a 135mm fan?
Yes, this unit features a 135mm fan. This is a standard size for most cases, making physical installation straightforward. The fan size helps with cooling efficiency. You do not need to worry about compatibility with standard chassis designs. It ensures quiet operation under load.