Thermaltake vs Cooler Master: PC Power Supplies Compared by Specs
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When you compare thermaltake vs cooler master PC power supply options, you face a choice between standard and compact builds. The Thermaltake Toughpower Grand 850W is a full-sized ATX unit designed for high wattage. The Cooler Master V750 SFX is a small form factor unit for mini-ITX cases. Both carry Gold efficiency ratings. The main difference lies in their physical size and target system architecture.
Key differences
| Aspect | Thermaltake Toughpower Grand 850W Gold PSU | Cooler Master V750 SFX Gold PCIe 5.1 PSU |
|---|---|---|
| Form Factor | ATX | SFX |
| Wattage | 850W | 750W |
| Modularity | Fully Modular | not listed |
| ATX Version | ATX 12V 2.3 | ATX 3.1 |
| PCIe Version | not listed | PCIe 5.1 |
| Efficiency Rating | 80 PLUS Gold | Gold |
Which one should you choose?
Choose Thermaltake Toughpower Grand 850W Gold PSU if
- You need 850W of continuous power for a high-end desktop.
- You are building a standard ATX case and want fully modular cables.
- You prioritize long-term reliability with 105°C Japanese capacitors.
Choose Cooler Master V750 SFX Gold PCIe 5.1 PSU if
- You are building a small form factor mini-ITX PC.
- You need PCIe 5.1 support for modern graphics cards.
- You want a compact unit that weighs under four pounds.
Verdict: The Thermaltake unit suits traditional desktop builders who need higher wattage and standard ATX dimensions. The Cooler Master option is the better choice for compact builds requiring modern PCIe 5.1 connectivity. Your decision depends entirely on your case size and GPU requirements.
Thermaltake vs Cooler Master PSU Specs
Efficiency rating
Both units carry an 80 PLUS Gold certification, indicating strong energy efficiency during operation. The Thermaltake Toughpower Grand specifies an efficiency range of 87-93% under extreme load conditions between 20% and 100%. This data suggests consistent performance across a wide power spectrum. The Cooler Master V750 SFX also holds the Gold rating but does not list specific percentage ranges in the provided data. For both products, this rating helps reduce wasted electricity and heat generation. You can expect lower power consumption from either choice compared to lower-tier certifications, benefiting your overall system efficiency.
Form factor
The physical dimensions define which cases can accept these power supplies. The Thermaltake Toughpower Grand is a standard ATX unit, measuring 13.3 inches in length, 8.27 inches in width, and 6.18 inches in height. It weighs 6 pounds. This size fits standard mid-tower and full-tower cases. In contrast, the Cooler Master V750 SFX is an SFX unit, designed for small form factor builds. It measures only 3.94 inches long, 4.92 inches wide, and 2.5 inches high, weighing 3.13 pounds. If you are building a compact PC, the Cooler Master is the only viable option. Standard cases will accept the Thermaltake.
ATX version
The ATX version indicates the regulatory standards the power supply meets. The Thermaltake Toughpower Grand complies with Intel ATX 12V 2.3 and SSI EPS 12V 2.92 standards. These are established specifications for mainboard power delivery. The Cooler Master V750 SFX supports ATX 3.1 cables. This newer standard includes specific provisions for modern high-power graphics cards and improved connector safety. The ATX 3.1 standard is more current than the 2.3 version found in the Thermaltake unit. If you are using the latest high-end GPUs, the Cooler Master’s newer standard offers better native compatibility and safety features for power delivery.
Modularity
Modularity affects cable management and airflow inside your case. The Thermaltake Toughpower Grand is a fully modular unit. This means all cables can be detached, allowing you to use only what you need. This reduces clutter and improves air circulation. The Cooler Master V750 SFX features customized short cables with the latest ATX 3.1 connector. The data mentions customized cable lengths to reduce clutter but does not explicitly state the unit is fully modular or semi-modular. It highlights the 90-degree 12VHPWR PCIe 5.1 connector for durability. Without explicit modular classification in the specs, the Thermaltake offers clearer cable management flexibility for general users.
Wattage
Wattage determines the maximum power the unit can deliver to your components. The Thermaltake Toughpower Grand provides 850W of continuous power. It is guaranteed to deliver this output 24/7 at 50°C. This higher wattage suits systems with multiple high-end components or heavy workloads. The Cooler Master V750 SFX provides 750W. While sufficient for many compact builds, it offers 100W less power than the Thermaltake. The Cooler Master can deliver up to 450W to a GPU via its PCIe 5.1 ready design. However, for total system headroom, the Thermaltake’s 850W rating provides a larger margin for high-power configurations.
Which PSU fits your build needs
Standard ATX builders needing high wattage
The Thermaltake Toughpower Grand 850W offers full ATX form factor compatibility for standard cases. Its 850W continuous output at 50°C ensures stable power for high-end components. Fully modular cables simplify management. The 14cm fan provides quiet operation with reduced bearing friction. Japanese capacitors support reliability in demanding environments, making it ideal for traditional desktop towers.
Mini-ITX SFF case owners
The Cooler Master V750 SFX is designed specifically for compact SFF builds. Its small dimensions fit tightly in small form factor cases. The unit delivers 750W of power in a lightweight 3.13-pound chassis. This compact design allows for high performance without the bulk of standard ATX units, making it the essential choice for builders prioritizing space efficiency and portability.
Users with modern PCIe 5.1 GPUs
This unit features native PCIe 5.1 readiness with a 12VHPWR connector. It supports up to 450W power delivery to modern graphics cards directly. The 90-degree durable cables improve electrical safety and reduce strain on the GPU slot. Customized short cables reduce clutter in tight spaces. This makes it superior for systems requiring the latest high-power GPU connections.
The products compared
Thermaltake Toughpower Grand 850W Gold PSU
Best for: Standard ATX cases needing 850W
- 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 with 80 PLUS Gold efficiency. It features a fully modular design and an ATX 12V 2.3 form factor. The 14cm fan uses dual ball bearings for reduced noise. Japanese capacitors ensure reliability under load. It suits users needing stable power for high-demand systems.
Pros
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- 14cm dual ball bearing fan
- 105C Japanese capacitors
Cons
- Standard ATX size limits SFF builds
- No digital display for monitoring
- Heavier than SFX alternatives
Good fit if
- You need 850W for a standard ATX case
- You want high efficiency to cut costs
- You prefer fully modular cables
Skip if
- You are building a small form factor PC
- You need more than 850W
- You want a digital display
Verdict: Thermaltake Toughpower Grand 850W Gold fits users with standard ATX cases who need reliable, efficient power. It does not suit small form factor builders who need a compact SFX unit.
Cooler Master V750 SFX Gold PCIe 5.1 PSU
Best for: Compact ITX builds needing ATX 3.1 support
- Efficiency Rating
- Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12VHPWR
- Form Factor
- SFX
- PCIe Version
- PCIe 5.1
- Dimensions
- 3.94 × 4.92 × 2.5 inches
View on Amazon: Cooler Master V750 SFX Gold PCIe 5.1 PSU Affiliate link
This Cooler Master V750 is a 750W SFX power supply designed for mini-ITX builds. It carries an 80+ Gold efficiency rating and supports ATX 3.1 standards. The unit includes a 12VHPWR PCIe 5.1 connector, allowing it to deliver up to 450W to your GPU. Its compact dimensions of 4.92 by 2.5 by 3.94 inches make it ideal for small form factor cases where space is tight.
Pros
- 80+ Gold efficiency rating for reliable power delivery
- ATX 3.1 and PCIe 5.1 ready with 12VHPWR connector
- Compact SFX form factor fits small ITX cases
- 90-degree 12VHPWR cable improves electrical durability
Cons
- SFX size may require extended cables for larger cases
- 750W output is lower than the 850W competitor
- Black Edition color limits aesthetic options
Good fit if
- You are building a compact mini-ITX PC
- You need a reliable 750W power source for SFF builds
- You want ATX 3.1 compatibility for modern GPUs
Skip if
- You require a standard ATX form factor
- You need more than 750W of power
- You prefer a white color scheme
Verdict: Cooler Master V750 SFX Gold 750W is a compact, efficient choice for mini-ITX builders who need ATX 3.1 support. It fits well in small cases but may not suit users needing higher wattage or standard ATX dimensions.
Specifications side by side
| Spec | Thermaltake Toughpower Grand 850W Gold PSU | Cooler Master V750 SFX Gold PCIe 5.1 PSU |
|---|---|---|
| Wattage | 850W | not stated |
| Efficiency Rating | 80 PLUS Gold | Gold |
| Modularity | Fully Modular | not stated |
| ATX Version | ATX 12V 2.3 | ATX 3.1 |
| PCIe Connector Type | not stated | 12VHPWR |
| Fan Size | 14cm | not stated |
| Form Factor | ATX | SFX |
| PCIe Version | not stated | PCIe 5.1 |
| Size | 850W | 750 |
| Dimensions | 13.3 × 8.27 × 6.18 inches | 3.94 × 4.92 × 2.5 inches |
| Weight | 6 pounds | 3.13 pounds |
| Model | PS-TPG-0850MPCGUS-1 | MPY-7501-SFHAGV-3U1 |
| Color | not stated | Black Edition |
Frequently asked questions
Can I use the Thermaltake Toughpower Grand in a small ITX case?
No. The Thermaltake Toughpower Grand 850W is an ATX form factor unit. It measures 13.3 inches in length and weighs 6 pounds. This size is designed for standard ATX cases. It will not fit in compact builds that require SFX dimensions.
Does the Cooler Master V750 support modern graphics cards?
Yes. The Cooler Master V750 SFX Gold supports PCIe 5.1. This version ensures compatibility with the latest high-power graphics cards. It is designed for compact ITX builds that need reliable power delivery for modern components without sacrificing efficiency.
Which PSU is better for a standard desktop computer?
The Thermaltake Toughpower Grand 850W is the better choice for standard ATX cases. It provides 850W of continuous output. Its full ATX form factor fits typical mid-tower and full-tower chassis. It is not suitable for small form factor builds.
How compact is the Cooler Master V750 SFX?
It is highly compact. The Cooler Master V750 SFX measures 3.94 inches in length and 2.5 inches in height. It weighs only 3.13 pounds. This small footprint makes it ideal for mini-ITX cases where space is limited.
Is the Thermaltake Toughpower Grand fully modular?
Yes. The Thermaltake Toughpower Grand 850W is fully modular. This allows you to connect only the cables you need. It simplifies cable management inside your case. This feature helps maintain better airflow and a cleaner build appearance.
What is the main difference between these two power supplies?
The main difference is form factor and wattage. The Thermaltake Toughpower Grand is a large ATX unit with 850W capacity. The Cooler Master V750 is a small SFX unit with 750W capacity. Choose based on your case size and power needs.