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CORSAIR RM1000x Fully Modular Low-Noise ATX Power Supply vs be Quiet! Dark Power Pro 13 1600W Power Supply

Updated August 2026The CORSAIR RM1000x offers great value for budget-conscious users, while the be Quiet! Dark Power Pro 13 excels in efficiency and performance for high-end builds.

The CORSAIR RM1000x offers great value for budget-conscious users, while the be Quiet! Dark Power Pro 13 excels in efficiency and performance for high-end builds.

Why CORSAIR RM1000x Fully Modular Low-Noise ATX Power Supply is better

price

C$224.98 is significantly cheaper than C$574.27

modularity

Fully modular design simplifies installation

compatibility

ATX 3.1 compliance supports latest GPUs

Why be Quiet! Dark Power Pro 13 1600W Power Supply is better

efficiency

80 PLUS Titanium rating up to 94.5%

wattage

1600W capacity for high-performance systems

noise

Designed for ultra-quiet operation

Overall score

CORSAIR RM1000x Fully Modular Low-Noise ATX Power Supply
75
be Quiet! Dark Power Pro 13 1600W Power Supply
90

Specifications

SpecCORSAIR RM1000x Fully Modular Low-Noise ATX Power Supplybe Quiet! Dark Power Pro 13 1600W Power Supply
BrandCorsairbe quiet!
CertificationGoldTitanium
ATX Compliance3.13.0
CablingFully ModularFully Modular
OverclockingNoYes

Dimension comparison

CORSAIR RM1000x Fully Modular Low-Noise ATX Power Supplybe Quiet! Dark Power Pro 13 1600W Power Supply

Price Comparison

When considering price, the CORSAIR RM1000x is significantly more affordable at C$224.98 compared to the be Quiet! Dark Power Pro 13, which retails for C$574.27. This represents a staggering C$349.29 difference between the two power supplies. For budget-conscious consumers or those building mid-range systems, the RM1000x offers a compelling option without sacrificing essential features. On the other hand, the Dark Power Pro 13, while more expensive, may justify its higher price with superior wattage and efficiency ratings, appealing to high-performance gaming or workstation builds that demand robust power solutions.

Efficiency Ratings

The efficiency of a power supply is crucial for both performance and operational costs. The CORSAIR RM1000x boasts a Cybenetics Gold certification, delivering up to 91% efficiency. In contrast, the be Quiet! Dark Power Pro 13 takes the lead with an impressive 80 PLUS Titanium rating, reaching efficiency levels of up to 94.5%. This means that the Dark Power Pro 13 can offer better energy savings in the long run, making it a more appealing choice for users who prioritize energy efficiency and lower electricity bills, especially in high-load environments.

Modularity Features

Modularity can greatly influence the ease of installation and cable management in a PC build. The CORSAIR RM1000x is fully modular, allowing users to connect only the cables they need for their specific setup. This feature not only simplifies installation but also enhances airflow within the case. Conversely, the be Quiet! Dark Power Pro 13 also supports full modularity and further enhances its user-friendliness with an overclocking key that switches between six 12V rails and one massive 12V rail. This feature can provide flexibility for advanced users looking to optimise their power distribution based on their hardware configuration.

Compatibility with Modern Standards

Both power supplies are designed with modern compatibility in mind, but they cater to slightly different needs. The CORSAIR RM1000x is ATX 3.1 compliant, supporting PCIe 5.1, making it suitable for the latest graphics cards without requiring additional adapters. This ensures that users can build a future-proof system with the latest technology. Meanwhile, the be Quiet! Dark Power Pro 13 is ATX 3.0 compliant and fully supports PCIe 5.0 GPUs and GPUs with 6+2 pin connectors. While both power supplies are compatible with the latest standards, the RM1000x's compliance with the newer ATX 3.1 standard might provide an edge for those aiming for cutting-edge technology.

Noise Levels

Noise performance is another important factor when choosing a power supply, particularly for users who value a quiet computing environment. The CORSAIR RM1000x is marketed as a low-noise power supply, designed to operate quietly, which is ideal for home or office setups. The be Quiet! Dark Power Pro 13, as its name suggests, also prioritises quiet operation, featuring a full mesh PSU front with a funnel-shaped air inlet that enhances airflow while minimising noise. While both models aim for low noise output, the Dark Power Pro 13's focus on quiet operation, in addition to its premium features, may appeal to users who demand silence alongside performance.

Build Quality and Design

Build quality and aesthetic design can play a substantial role in a user's purchasing decision. The CORSAIR RM1000x features sleek, ultra-flexible embossed cables that not only look great but also facilitate easier installation and connection. Its fully modular design contributes to a tidy and professional appearance within a case. In comparison, the be Quiet! Dark Power Pro 13 is designed with a focus on functionality and airflow, showcased through its full mesh front and funnel-shaped air inlet. While the Dark Power Pro 13’s design prioritises performance and cooling, the RM1000x appeals to those who appreciate aesthetic flexibility without compromising on installation convenience.

Target Audience

The target audience for each power supply differs significantly based on their specifications and pricing. The CORSAIR RM1000x is an excellent choice for gamers and casual users who require reliable power at a competitive price point. Its features cater well to mid-range builds, making it an attractive option for those who do not need excessive wattage. Conversely, the be Quiet! Dark Power Pro 13 is aimed at enthusiasts and professionals who demand high performance and efficiency for intensive tasks or gaming setups. With its 1600W capacity and advanced features, it is positioned for users who require a robust power solution for high-end components and overclocking scenarios.

Which should you buy?

In conclusion, the choice between the CORSAIR RM1000x and the be Quiet! Dark Power Pro 13 primarily revolves around your specific power needs and budget constraints. If you are looking for a cost-effective solution with solid performance and modern compatibility, the CORSAIR RM1000x at C$224.98 is a compelling option. However, if your setup requires the highest efficiency and wattage, and you are willing to invest more, the be Quiet! Dark Power Pro 13 at C$574.27 offers unparalleled performance for demanding environments. Ultimately, your decision should align with your power requirements, budget, and preferences for noise levels and modularity.

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CORSAIR RM1000x Fully Modular Low-Noise ATX Power Supply vs be Quiet! Dark Power Pro 13 1600W Power Supply | versusfinder