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Cooler Master V850 SFX Gold 850W Fully Modular vs MUSETEX PC Power Supply 1000W, Full Modular ATX

Updated August 2026 — Cooler Master V850 SFX Gold 850W Fully Modular wins on efficiency and size, MUSETEX PC Power Supply 1000W, Full Modular ATX wins on price and power.

The Cooler Master V850 SFX Gold offers superior efficiency and build quality, while the MUSETEX provides greater wattage at a lower price. Choose based on your specific needs.

Why Cooler Master V850 SFX Gold 850W Fully Modular is better

Efficiency

80 Plus Gold certification for better energy efficiency

Build Quality

High-quality Japanese capacitors used

Cooling

Fluid Dynamic Bearing fan for reliable cooling

Why MUSETEX PC Power Supply 1000W, Full Modular ATX is better

Power Output

1000W capacity supports more demanding builds

Price

Significantly lower price point

Noise

Larger fan designed for quieter operation

Overall score

Cooler Master V850 SFX Gold 850W Fully Modular
85
MUSETEX PC Power Supply 1000W, Full Modular ATX
75

Specifications

SpecCooler Master V850 SFX Gold 850W Fully ModularMUSETEX PC Power Supply 1000W, Full Modular ATX
Wattage850W1000W
ModularityFully ModularFully Modular
Efficiency Rating80 Plus GoldNot Specified
Cooling Fan92mm FDB140mm Ultra Quiet
Warranty10 Years10 Years

Dimension comparison

Cooler Master V850 SFX Gold 850W Fully ModularMUSETEX PC Power Supply 1000W, Full Modular ATX

Price Comparison

The Cooler Master V850 SFX Gold is priced at $153.25, while the MUSETEX PC Power Supply 1000W comes in significantly lower at $69.99. This makes the MUSETEX about 54% cheaper than the Cooler Master, which is a substantial difference for budget-conscious consumers. While pricing can often reflect quality and performance, the MUSETEX offers a cost-effective option for those looking to power their systems without breaking the bank. This stark contrast in pricing may appeal to entry-level gamers and users who prioritize savings over premium features.

Power Output

When it comes to power output, the MUSETEX PC Power Supply boasts an impressive 1000W capacity compared to the Cooler Master V850 SFX Gold’s 850W. This 18% increase in wattage allows the MUSETEX to support more demanding builds and future upgrades with ease, making it an attractive choice for gamers and creators who utilize high-performance components. The higher wattage means that the MUSETEX is capable of accommodating more powerful GPUs and additional hardware, which can be crucial for those looking to maximize their system's performance.

Form Factor and Design

The Cooler Master V850 SFX Gold is designed in a compact SFX form factor, making it suitable for small form factor builds, while the MUSETEX is a standard ATX power supply. The smaller size of the Cooler Master allows for better fitting in mini-ITX cases, which can be a crucial consideration for users with limited space. However, this compact design does come with a trade-off in maximum power output, as seen with the lower wattage compared to the MUSETEX. Depending on your case and overall build requirements, the form factor could be a deciding factor in your choice between these two power supplies.

Modular Capabilities

Both the Cooler Master V850 SFX Gold and the MUSETEX PC Power Supply are fully modular, allowing users to connect only the cables they need. This feature enhances cable management and airflow within the case, which is particularly important for maintaining optimal temperatures during heavy use. The Cooler Master emphasizes its 90° durable cables designed for improved electrical durability, while the MUSETEX highlights its flat cables that contribute to a cleaner interior. This aspect makes both products appealing for users who value aesthetics and functionality in their builds.

Efficiency Ratings

The Cooler Master V850 SFX Gold boasts an 80 Plus Gold certification, indicating it operates at about 90% efficiency under typical loads, which translates to effective power transfer and reduced energy wastage. On the other hand, the MUSETEX does not specify an efficiency rating but does mention its high-quality 105°C main capacitors, which are designed for stable performance even under heavy loads. While the Cooler Master has the edge in efficiency certification, the MUSETEX’s design suggests it can still deliver reliable performance, especially for users who prioritize raw power output over efficiency.

Cooling Solutions

The Cooler Master features a 92mm Fluid Dynamic Bearing (FDB) fan that promises reliable cooling with a low-maintenance design. In contrast, the MUSETEX is equipped with a larger 140mm ultra-quiet cooling fan, which is designed to minimize noise while maintaining optimal temperatures. The larger fan size could potentially offer better airflow, making the MUSETEX more suitable for users who are concerned about noise levels during operation. This difference in cooling solutions may influence users who are building a quiet gaming or working environment.

Build Quality and Warranty

Cooler Master backs the V850 SFX Gold with a robust 10-year warranty, indicating confidence in its build quality and longevity. The use of high-quality 100% Japanese capacitors further emphasizes the premium nature of this power supply. The MUSETEX also offers a 10-year warranty, suggesting that it too is built to last, even though it comes at a lower price point. Both warranties provide peace of mind, but the Cooler Master’s premium components may appeal more to users seeking long-term reliability and performance.

Which should you buy?

Choosing between the Cooler Master V850 SFX Gold and the MUSETEX PC Power Supply ultimately hinges on your specific needs and preferences. If you require a compact power supply for a mini-ITX build and value efficiency and premium components, the Cooler Master is the better choice despite its higher price. However, if you're looking for a budget-friendly option with greater wattage to support future upgrades, the MUSETEX stands out as a compelling alternative. Ultimately, each power supply has its strengths, making them suitable for different types of users and builds.