Thermaltake vs Redragon: PC Power Supplies Compared by Specs
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When comparing thermaltake vs redragon PC power supply options, you are looking at two distinct approaches to high-efficiency builds. Both units carry the 80 PLUS Gold certification, ensuring strong energy efficiency under load. The main difference lies in their power output and physical footprint. One offers significantly higher wattage for demanding systems, while the other provides a more compact form factor suitable for smaller cases. You must weigh continuous power needs against case size constraints.
Key differences
| Aspect | Thermaltake Toughpower Grand 850W Gold PSU | Redragon 650W 80 Plus Gold Fully Modular Power Supply |
|---|---|---|
| Wattage | 850W | 650W |
| Dimensions | 13.3 x 8.27 x 6.18 inches | 9.45 x 8.66 x 3.94 inches |
| Weight | 6 pounds | 4.41 pounds |
| Fan Size | 14cm | not listed |
| ATX Version | ATX 12V 2.3 | not listed |
Which one should you choose?
Choose Thermaltake Toughpower Grand 850W Gold PSU if
- You need 850W of continuous power for high-end components.
- You prefer a larger fan for potentially lower noise levels.
- You require compliance with specific ATX 12V standards.
Choose Redragon 650W 80 Plus Gold Fully Modular Power Supply if
- You are building in a compact case with limited space.
- You want a lighter unit for easier installation.
- You prefer flat cables for cleaner cable management.
Verdict: The Thermaltake Toughpower Grand is the better choice if you need maximum power output and have ample case space. The Redragon RGPS-650W is more suitable for smaller builds where physical dimensions and weight are primary concerns. Both offer gold efficiency, so your decision should hinge on wattage requirements and chassis compatibility.
Thermaltake vs Redragon PSU Specs
power output
The Thermaltake Toughpower Grand delivers 850 watts of continuous power, rated for 24/7 operation at 50°C. This makes it suitable for high-end builds with multiple GPUs or heavy workloads. In contrast, the Redragon RGPS offers 650 watts. While sufficient for mid-range systems, it provides less headroom for future upgrades or extreme stress testing. You get significantly more raw power from the Thermaltake unit, which matters if you plan to push components to their limits.
efficiency rating
Both power supplies share the same 80 PLUS Gold certification. This standard indicates that both units achieve high efficiency, converting a large portion of AC power to DC with minimal waste heat. The Thermaltake specifies an efficiency range of 87-93% under extreme load conditions. The Redragon also meets the Gold standard, though it does not publish specific load percentages. Since both meet the same certification tier, you can expect similar energy savings and operational temperatures from either choice in typical use.
modularity
Both the Thermaltake Toughpower Grand and the Redragon RGPS are fully modular. This means you can detach all cables from the unit, allowing you to use only what you need. This feature simplifies cable management and improves airflow inside your case. Neither unit offers semi-modular or non-modular options in this comparison. For builders who value clean builds and easier installation, both products provide the same level of flexibility regarding cable connections.
physical dimensions
Size matters for case compatibility. The Thermaltake unit measures 13.3 inches in length, 8.27 inches in width, and 6.18 inches in height. It weighs 6 pounds. The Redragon is significantly smaller, measuring 9.45 inches long, 8.66 inches wide, and 3.94 inches high, weighing 4.41 pounds. The Redragon’s compact form factor fits into smaller cases or tight spaces more easily. The Thermaltake requires a larger chassis to accommodate its bulkier design and larger fan.
atx version
The Thermaltake Toughpower Grand complies with Intel ATX 12V 2.3 and SSI EPS 12V 2.92 standards. This ensures compatibility with a wide range of motherboards and specific server-style connectors. The Redragon listing does not specify its ATX version compliance. While it likely meets modern standards, the lack of explicit data makes it harder to verify compatibility with older or specialized hardware. The Thermaltake provides clearer technical documentation for system builders who need strict standard adherence.
capacitor quality
Build quality often hinges on internal components. The Thermaltake uses 100% Japanese-made electrolytic and solid-state capacitors rated for 105°C. This suggests higher reliability under heat and stress. The Redragon notes that its main capacitor is made in Taiwan but does not specify the quality grade or temperature rating. For users prioritizing longevity and stability in harsh environments, the Thermaltake’s detailed capacitor specifications offer more confidence than the limited data available for the Redragon.
Which PSU fits your build needs
High-end builders needing max power
You need the Thermaltake Toughpower Grand for its 850-watt output. It supports ATX 12V 2.3 standards and runs continuously at 50°C. The fully modular design and 14cm fan help manage noise. Japanese capacitors ensure reliability under heavy loads. This unit handles multiple GPUs better than the 650-watt Redragon option.
Users wanting compact and lightweight PSU
The Redragon RGPS is smaller and lighter. It weighs 4.41 pounds and measures 9.45 inches long. This fits tighter cases better than the bulkier Thermaltake. It still offers 80 PLUS Gold efficiency and full modularity. Active PFC boosts energy savings. If you do not need 850 watts, this compact choice saves space.
Buyers prioritizing fan lifespan and cooling
The Thermaltake uses a 14cm fan with dual ball bearings. This design reduces friction and noise while extending lifespan. It guarantees 850W at 50°C. The Redragon lacks specific fan size data. If quiet operation and long-term durability are key, the Thermaltake’s larger fan and bearing type offer a practical advantage for your system.
The products compared
Thermaltake Toughpower Grand 850W Gold PSU
Best for: mining rigs and high-wattage builds
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 12V 2.3
- Fan Size
- 14cm
- Dimensions
- 13.3 × 8.27 × 6.18 inches
View on Amazon: Thermaltake Toughpower Grand 850W Gold PSU Affiliate link
This Thermaltate unit delivers 850W of continuous power at 50°C. It holds 80 PLUS Gold certification for high efficiency between 87% and 93%. The fully modular design lets you connect only the cables you need. A 14cm fan with dual ball bearings aims to reduce noise. Japanese capacitors support 24/7 operation. It fits miners or users needing stable high wattage.
Pros
- 80 PLUS Gold efficiency rating
- 850W continuous power output
- Fully modular cable design
- 14cm fan with dual ball bearings
Cons
- 6-pound weight adds bulk
- 13.3-inch length may not fit small cases
- No active mode or eco-mode mentioned
Good fit if
- You need stable power for mining rigs
- You want high efficiency to cut costs
- You prefer fully modular cable management
Skip if
- You have a small form factor case
- You need more than 850W of power
- You prefer quieter passive cooling options
Verdict: Thermaltake Toughpower Grand 850W Gold suits users who need reliable high wattage for mining or heavy loads. Its gold efficiency and modular design offer practical benefits for specific builds.
Redragon 650W 80 Plus Gold Fully Modular Power Supply
Best for: Mid-range gaming builds needing clean wiring
- Wattage
- 650W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Full Modular
- Dimensions
- 9.45 × 8.66 × 3.94 inches
- Weight
- 4.41 pounds
View on Amazon: Redragon 650W 80 Plus Gold Fully Modular Power Supply Affiliate link
The Redragon RGPS-650W delivers 650W of power with 80 Plus Gold efficiency. Its full modular design lets you connect only the cables you need. Flat style cables help with case organization. The main capacitor is made in Taiwan. This unit suits gamers who want efficient power without excess wiring clutter.
Pros
- 80 Plus Gold efficiency rating
- Full modular cable design
- Flat style cables for organization
- Main capacitor made in Taiwan
Cons
- Lower 650W output compared to 850W competitors
- Heavier at 4.41 pounds
- Larger dimensions than standard units
Good fit if
- You need efficient power for mid-range builds
- You prefer clean cable management
- You want full modularity
Skip if
- You require high wattage for extreme overclocking
- You need a compact SFX form factor
- You prioritize lighter weight units
Verdict: Redragon 650W Gold PSU is a solid choice for builders who value efficiency and cable management over maximum power headroom.
Specifications side by side
| Spec | Thermaltake Toughpower Grand 850W Gold PSU | Redragon 650W 80 Plus Gold Fully Modular Power Supply |
|---|---|---|
| Wattage | 850W | 650W |
| Efficiency Rating | 80 PLUS Gold | 80 Plus Gold |
| Modularity | Fully Modular | Full Modular |
| ATX Version | ATX 12V 2.3 | not stated |
| Fan Size | 14cm | not stated |
| Form Factor | ATX | not stated |
| Size | 850W | not stated |
| Dimensions | 13.3 × 8.27 × 6.18 inches | 9.45 × 8.66 × 3.94 inches |
| Weight | 6 pounds | 4.41 pounds |
| Model | PS-TPG-0850MPCGUS-1 | RGPS-650W |
Frequently asked questions
Is the Thermaltake Toughpower Grand fully modular?
Yes, the Thermaltake Toughpower Grand 850W Gold features a fully modular design. This allows you to connect only the cables your build requires. It helps reduce clutter inside your case and improves airflow for better cooling performance during heavy workloads.
Does the Redragon 650W Gold support ATX standards?
The Redragon RGPS-650W is an ATX power supply unit. It carries the 80 PLUS Gold certification for high efficiency. This model is designed for mid-range gaming builds where clean wiring and solid power delivery are more important than maximum wattage headroom.
Which PSU is better for mining rigs?
The Thermaltake Toughpower Grand 850W Gold is the better choice for mining rigs. Its 850-watt output handles high-wattage builds and continuous heavy loads effectively. The gold efficiency rating also helps manage electricity costs during extended periods of operation.
How big is the Thermaltake 850W unit?
The Thermaltake Toughpower Grand measures 13.3 inches in length, 8.27 inches in width, and 6.18 inches in height. It weighs approximately 6 pounds. These dimensions fit standard ATX cases, providing ample space for cable management in larger chassis.
Is the Redragon PSU heavy?
The Redragon 650W unit weighs 4.41 pounds. It measures 9.45 inches in length, 8.66 inches in width, and 3.94 inches in height. This compact form factor makes it suitable for smaller cases or builds where space is limited.
Do both units have 80 Plus Gold efficiency?
Yes, both the Thermaltake Toughpower Grand and the Redragon RGPS carry the 80 PLUS Gold certification. This means both units convert AC power to DC power with high efficiency, reducing waste heat and lowering energy consumption compared to lower-rated models.

