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be quiet! Pure Power 13 M 1000W Power Supply, 80 vs Cooler Master V750 SFX Gold 750W Fully Modular

Updated August 2026 — be quiet! Pure Power 13 M 1000W Power Supply, 80 wins on power output and cooling, Cooler Master V750 SFX Gold 750W Fully Modular wins on modularity.

The be quiet! Pure Power 13 M offers higher wattage and efficiency at a lower price, making it a better choice for most users. The Cooler Master V750 is ideal for compact builds with a strong warranty.

Why be quiet! Pure Power 13 M 1000W Power Supply, 80 is better

Power Capacity

1000W vs 750W

Efficiency

94.4% vs 90%

Price

$139.90 vs $161.80

Why Cooler Master V750 SFX Gold 750W Fully Modular is better

Form Factor

SFX design for small builds

Warranty

10-year warranty

Cable Design

90° connectors for better space management

Overall score

be quiet! Pure Power 13 M 1000W Power Supply, 80
88
Cooler Master V750 SFX Gold 750W Fully Modular
80

Specifications

Specbe quiet! Pure Power 13 M 1000W Power Supply, 80Cooler Master V750 SFX Gold 750W Fully Modular
Brandbe quiet!Cooler Master
ModularityModularFully Modular
Cooling Fan120mm92mm FDB
Connector TypeATX 3.1ATX 3.1
PCIe SupportPCIe 5.1PCIe 5.1

Dimension comparison

be quiet! Pure Power 13 M 1000W Power Supply, 80Cooler Master V750 SFX Gold 750W Fully Modular

Overview of the Products

The be quiet! Pure Power 13 M 1000W Power Supply is priced at $139.90, while the Cooler Master V750 SFX Gold 750W Fully Modular Power Supply costs $161.80. The be quiet! model offers a higher wattage capacity at a lower price, making it an appealing option for users looking for efficiency and power. In contrast, the Cooler Master unit is specifically designed for small form factor (SFF) builds, prioritizing compactness and modularity.

Power Capacity Comparison

When it comes to power capacity, the be quiet! Pure Power 13 M delivers a robust 1000W, which is ideal for high-performance gaming and overclocked systems. This means it can handle significant power demands more effectively than the Cooler Master V750, which provides 750W. The difference in wattage may influence buyers who plan to run power-hungry graphics cards or multiple components, as the be quiet! model supports a wider range of configurations.

Efficiency Ratings

Both power supplies have earned an 80 Plus Gold certification, ensuring high efficiency and low energy consumption. The be quiet! Pure Power 13 M boasts an impressive efficiency rating of up to 94.4%, which translates to lower power bills and cooler operation. In comparison, the Cooler Master V750 also offers 90% efficiency, making it a solid choice, but slightly less efficient than its competitor. This efficiency gap may be a deciding factor for users focused on energy savings.

Design and Form Factor

The be quiet! Pure Power 13 M is designed for standard ATX builds, making it versatile for various system configurations. In contrast, the Cooler Master V750 is tailored for smaller mini-ITX setups, providing a compact SFX design that fits snugly in tighter spaces. This distinction is crucial for users who have specific case requirements, as the V750 promotes efficient use of limited space while maintaining high performance.

Cooling Features

Cooling performance is essential for maintaining system stability, especially under heavy loads. The be quiet! Pure Power 13 M features a semi-passive cooling system, whereby the fan operates silently under low loads and only activates when needed. This results in quieter operation during less demanding activities. The Cooler Master V750, on the other hand, includes a 92mm Fluid Dynamic Bearing fan that provides reliable cooling. While both units aim to minimize noise, the be quiet! model may appeal more to users prioritizing silence.

Cable Management

Effective cable management can enhance airflow and improve system aesthetics. The be quiet! Pure Power 13 M includes modular cables that allow users to eliminate unnecessary wires, leading to a cleaner build. Meanwhile, the Cooler Master V750 also features fully modular cables, specifically designed with 90° connectors to reduce clutter. However, the customization options and compact design of the V750 might appeal more to those building in smaller cases where space is at a premium.

Warranty and Reliability

Warranty coverage can significantly affect a buyer's confidence in a product. The be quiet! Pure Power 13 M does not specify a warranty period in the provided data. In contrast, the Cooler Master V750 comes with a generous 10-year warranty, showcasing the manufacturer's commitment to product reliability. This extended warranty may reassure users about the long-term performance and durability of the Cooler Master power supply.

Which should you buy?

Ultimately, the choice between the be quiet! Pure Power 13 M and the Cooler Master V750 boils down to your specific needs. If you require higher power capacity, exceptional efficiency, and a quieter operation, the be quiet! model at $139.90 offers significant advantages. Conversely, if you are building a compact system and value a robust warranty, the Cooler Master V750, priced at $161.80, is a strong contender. Each power supply has its strengths, catering to different users and their particular setups.