Enermax CYBERG II 650W ATX or Enermax Revolution III 850W Fully? Which Enermax Model to Buy
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When you compare the enermax cyberg ii 650w atx vs revolution iii 850w fully, you are looking at two distinct power solutions. Both units support the latest ATX 3.1 standard and feature 12V-2x6 connectors for modern graphics cards. They also share a 120 mm fan size and Japanese capacitors for reliability. The main difference lies in power capacity and cable management. One offers a fixed 650W output with non-modular cables, while the other provides 850W with fully modular flexibility and higher efficiency.
Key differences
| Aspect | Enermax CYBERG II 650W ATX 3.1 Power Supply | Enermax Revolution III 850W Fully Modular PSU |
|---|---|---|
| Wattage | 650 W | 850 W |
| Modularity | Non-Modular | Fully Modular |
| Efficiency Rating | Up to 90% | 80 PLUS Gold (93% at 50% load) |
| PCIe Connector | 450 W 12 V-2 x 6 | 600 W 12V-2x6 |
| Fan Type | Sleeve bearing | FDB (Fluid Dynamic Bearing) |
| Warranty | Not listed | 10 Year |
Which one should you choose?
Choose Enermax CYBERG II 650W ATX 3.1 Power Supply if
- You need a budget-friendly option for a mid-range build with a 650W power requirement.
- You prefer non-modular cables for a simpler installation in a smaller case.
- You want a unit with a 450W PCIe connector that still supports modern GPU power excursions.
Choose Enermax Revolution III 850W Fully Modular PSU if
- You are building a high-end system that requires up to 850W of steady power.
- You want cleaner cable management with fully modular cables to improve airflow.
- You prioritize higher efficiency ratings and a longer 10-year warranty for long-term reliability.
Verdict: The CYBERG II is a practical choice for users who need reliable 650W power without the complexity of modular cables. The Revolution III 850W is better suited for high-performance builds where extra wattage, efficiency, and clean cable management are priorities. Your decision should depend on your GPU's power needs and your case's cable management requirements.
Efficiency and Modularity Comparison
Efficiency Rating
The Enermax Revolution III 850W Fully Modular PSU holds a clear advantage here with its 80 PLUS Gold certification. This rating confirms 93% efficiency at 50% load, which minimizes heat production and reduces energy consumption. In contrast, the Enermax CYBERG II 650W ATX 3.1 Power Supply lists an efficiency of up to 90% but lacks a formal 80 PLUS tier label in the provided data. Higher efficiency means less wasted electricity and potentially lower operating temperatures under load. For users prioritizing energy savings and thermal performance, the Gold certification on the Revolution III provides a measurable benefit over the CYBERG II's standard efficiency claims.
Modularity
Modularity significantly impacts cable management and case airflow. The Revolution III 850W is fully modular, allowing you to connect only the cables you need. This reduces clutter inside your PC case and improves air circulation for your components. The CYBERG II 650W is non-modular, meaning all cables are permanently attached to the unit. While this can simplify initial setup, it often results in unused cables bunching up, which can obstruct airflow. If you value a clean build and optimal cooling, the fully modular design of the Revolution III is the superior choice for cable management.
Wattage Output
Power capacity is the primary difference between these two units. The Revolution III 850W delivers 850 Watts, providing a substantial headroom for high-end graphics cards and processors. The CYBERG II 650W offers 650 Watts, which is sufficient for mid-range builds but may struggle with power-hungry components. Both units support a 200% power excursion reserve for sudden load surges, ensuring stability. However, the 200-watt difference in continuous output makes the Revolution III more future-proof for users planning to upgrade to more demanding hardware later.
Fan Type
Both power supplies use a 120 mm fan for cooling, but the bearing type differs. The Revolution III features a Fluid Dynamic Bearing (FDB) fan, which is known for superior durability and quieter operation under heavy loads. The CYBERG II uses a sleeve bearing fan. While sleeve bearings are common and functional, FDB fans generally offer longer lifespans and better noise performance. For users who prioritize silent operation and long-term reliability, the FDB fan in the Revolution III is the better technical specification.
PCIe Connector Power
Both units comply with ATX 3.1 and include the new 12V-2x6 connector for modern GPUs. However, the power capacity of this connector varies. The Revolution III supports a 600W native 12V-2x6 connector, allowing it to power high-end graphics cards with a single cable. The CYBERG II supports a 450W 12V-2x6 cable. If you are using a top-tier graphics card that requires significant power, the higher 600W limit on the Revolution III provides more flexibility and safety. For lower-power GPUs, both connectors are adequate.
Warranty Length
The warranty period reflects the manufacturer's confidence in product longevity. The Revolution III 850W comes with a 10-year warranty, offering extended protection for your investment. The provided data for the CYBERG II 650W does not specify a warranty duration. A longer warranty typically indicates higher build quality and better support. Without explicit warranty data for the CYBERG II, the Revolution III's stated 10-year coverage is a distinct advantage, providing greater peace of mind for long-term use.
Which Enermax PSU Fits Your Build
Budget-conscious builder with mid-range GPU
The Enermax CYBERG II 650W ATX 3.1 Power Supply offers a solid 650 W output for standard systems. Its non-modular design simplifies installation for users who do not need cable management flexibility. The unit supports PCIe 5.1 standards and includes a 12V-2x6 connector for modern graphics cards. This model provides reliable power delivery without the added cost of modular cables.
High-end GPU owner seeking efficiency
The Enermax Revolution III 850W Fully Modular PSU delivers 850 Watts of power with 80 PLUS Gold certification. It achieves 93% efficiency at 50% load, which reduces heat and energy waste. The fully modular design allows you to connect only the cables you need, improving airflow. Its 600 W 12V-2x6 connector ensures stable power for high-end graphics cards under heavy loads.
User prioritizing quiet operation and warranty
The Revolution III 850W model features a 120 mm FDB fan for ultra-quiet operation even during intense workloads. It is backed by a 10 Year warranty, offering long-term peace of mind. The unit includes comprehensive protection circuits such as OCP, OVP, and OTP. These safety features, combined with industrial-grade Japanese capacitors, ensure durability and consistent performance for demanding PC builds.
The products compared
Enermax CYBERG II 650W ATX 3.1 Power Supply
Best for: mid-range GPUs requiring ATX 3.1 support
- Wattage
- 650 Watt
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Non-Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12 V-2 x 6, PCIe (6+2)
- Fan Size
- 120mm
View on Amazon: Enermax CYBERG II 650W ATX 3.1 Power Supply Affiliate link
The Enermax CYBERG II 650W is a non-modular ATX 3.1 power supply designed for modern GPUs. It features a 12V-2x6 connector and supports PCIe 5.1 standards. The unit includes a 120 mm sleeve bearing fan and 90% efficiency rating. Japanese capacitors ensure durability. This model suits builders who need stable power for high-performance graphics cards without the complexity of modular cabling.
Pros
- ATX 3.1 standard with 12V-2x6 connector
- 90% efficiency rating reduces energy costs
- 120 mm sleeve bearing fan for quiet operation
- 200% power excursion reserve for load surges
Cons
- Non-modular design requires managing all cables
- 650W limit may restrict high-end GPU builds
- Heavier at 2.51 pounds compared to lighter units
Good fit if
- You need ATX 3.1 compatibility for new GPUs
- You prefer a non-modular power supply for simplicity
- You want a 12V-2x6 connector for direct cable connection
Skip if
- You require fully modular cabling for clean builds
- You plan to use high-end GPUs exceeding 650W capacity
- You need PCIe 5.1 support with higher wattage options
Verdict: Enermax CYBERG II 650W ATX 3.1 fits users building mid-range systems with modern graphics cards who value ATX 3.1 compatibility and straightforward non-modular installation.
Enermax Revolution III 850W Fully Modular PSU
Best for: High-end GPUs requiring 12V-2x6 power
- Wattage
- 850 Watts
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 120mm
View on Amazon: Enermax Revolution III 850W Fully Modular PSU Affiliate link
This fully modular ATX 3.1 power supply delivers 850 watts with 80 PLUS Gold efficiency. It includes a native 600W 12V-2x6 connector for modern GPUs. The unit uses Japanese capacitors and a 120mm fan for quiet operation. It suits users needing reliable power for high-end graphics cards. The 10-year warranty adds long-term value.
Pros
- ATX 3.1 compliance with 600W 12V-2x6 connector
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- 10-year warranty coverage
- 120mm FDB fan for silent operation
Cons
- Larger physical dimensions than standard units
- Heavier build due to industrial components
- No app or software control mentioned
Good fit if
- You need native support for PCIe 5.0 GPUs
- You want high efficiency to reduce heat
- You prefer fully modular cables for clean builds
Skip if
- You require a smaller form factor SFX unit
- You need a non-modular budget option
- You want software monitoring capabilities
Verdict: Enermax Revolution III 850W Gold is a robust choice for high-end gaming rigs. It provides stable power for demanding graphics cards. You should buy it if you prioritize efficiency and modern connector standards.
Specifications side by side
| Spec | Enermax CYBERG II 650W ATX 3.1 Power Supply | Enermax Revolution III 850W Fully Modular PSU |
|---|---|---|
| Wattage | 650 Watt | 850 Watts |
| Efficiency Rating | 80 PLUS Gold | 80 Plus Gold |
| Modularity | Non-Modular | Fully Modular |
| ATX Version | ATX 3.1 | ATX 3.1 |
| PCIe Connector Type | 12 V-2 x 6, PCIe (6+2) | 12V-2x6 |
| Fan Size | 120mm | 120mm |
| Warranty | not stated | 10 Year |
| Form Factor | ATX | ATX |
| PCIe Version | PCIe 5.1 | not stated |
| Connector | not stated | 12V-2x6 Connector |
| Size | 650W | 850W Gold |
| Device Compatibility | not stated | PCs |
| Dimensions | 5.51 × 5.91 × 3.39 inches | 5.51 × 5.91 × 3.39 inches |
| Weight | 2.51 pounds | not stated |
| Color | Black | Black |
| Model | ERV650G-AHG-NAC | EP-RV3-850G-FR |
Frequently asked questions
Is the Enermax CYBERG II 650W ATX 3.1 suitable for modern graphics cards?
Yes, it supports PCIe 5.1 standards and includes the necessary connectors for current GPUs. The unit is designed specifically for mid-range systems requiring ATX 3.1 compatibility. You get straightforward installation without the complexity of modular cables, making it a practical choice for standard builds.
Does the Enermax Revolution III 850W support the latest power connector standard?
Yes, this model features a 12V-2x6 connector, which is the modern standard for high-end graphics cards. It also adheres to the ATX 3.1 specification, ensuring broad compatibility with new hardware. This makes it a robust option for systems demanding stable power delivery for demanding components.
Which Enermax PSU is better for cable management?
The Enermax Revolution III 850W is the better choice because it is fully modular. You only connect the cables you need, which reduces clutter inside your case. The CYBERG II is non-modular, meaning all cables are permanently attached, which can make tidying up more difficult.
Can the Enermax CYBERG II handle high-end gaming rigs?
It is primarily rated for mid-range systems with a 650W output. While it supports modern standards, the Revolution III 850W offers higher wattage and efficiency for high-end GPUs. If you have a top-tier graphics card, the 850W model provides more headroom and stability for demanding loads.
What are the physical dimensions of these power supplies?
Both units share identical external dimensions of 5.91 inches in width, 3.39 inches in height, and 5.51 inches in length. This standard ATX form factor ensures they fit into most common computer cases. The CYBERG II weighs 2.51 pounds, providing a sense of solid build quality.
Is the Enermax Revolution III 850W efficient for daily use?
Yes, it carries an 80 Plus Gold certification, confirming high efficiency at typical loads. This reduces energy waste and heat production compared to lower-rated units. The fully modular design also helps with airflow, further supporting efficient operation in your system.