be quiet! Pure Power 13 M 1000W Power Supply vs Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe

Price Comparison

The be quiet! Pure Power 13 M 1000W Power Supply is priced at £99.99, while the Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply comes in significantly higher at £169.99. This £70 price difference highlights the varying markets these two power supplies cater to. The be quiet! model offers excellent value for users seeking a reliable PSU without breaking the bank, making it an attractive option for budget-conscious builders. In contrast, the Corsair model, with its premium pricing, targets enthusiasts and professionals who may require advanced features and enhanced performance that justifies the higher cost.

Efficiency Ratings

The be quiet! Pure Power 13 M boasts an impressive efficiency rating of up to 94.4%, certified 80 PLUS Gold. This high efficiency translates to lower power consumption and reduced energy bills, appealing to environmentally conscious consumers. On the other hand, while the Corsair HX1000i does not specify its efficiency rating in the provided data, it is Intel ATX 3.1 certified, which suggests it meets high efficiency standards. Users should consider how crucial efficiency is to their setup, especially if they run power-hungry components.

Modularity

Both power supplies offer modular designs, yet they differ in their approach. The be quiet! Pure Power 13 M allows for simplified cable management, leaving out unnecessary cables for a cleaner build. This feature not only aids in aesthetics but also enhances airflow, contributing to lower temperatures. Conversely, the Corsair HX1000i takes modularity a step further with fully modular cabling, enabling users to connect only the cables they need. This can lead to even cleaner builds and potentially improved airflow, making it ideal for those who prioritise a tidy system.

Fan Noise Levels

The be quiet! Pure Power 13 M is designed for whisper-quiet operation, featuring a fan that turns off completely under low load conditions. This results in an exceptionally silent performance across various load scenarios, making it ideal for quiet systems and gaming PCs. In comparison, the Corsair HX1000i also features a Zero RPM Fan Mode, where the cooling fan switches off entirely at low to medium loads, ensuring near-silent operation. Both power supplies excel in low noise, but the be quiet! model may have a slight edge in its overall design focus on silence.

Cooling Solutions

Cooling is a crucial aspect of any power supply, and both the be quiet! Pure Power 13 M and the Corsair HX1000i are equipped with advanced cooling technologies. The be quiet! model utilises a reliable fan with airflow-optimised blades, providing effective cooling while maintaining low noise levels. The Corsair HX1000i features a 140mm Fluid Dynamic Bearing (FDB) fan that is known for its quiet and long-lasting performance. While both designs aim to minimise noise, the choice may come down to personal preference in fan size and bearing technology.

Compatibility and Future-Proofing

The be quiet! Pure Power 13 M is an ATX 3.1 PSU that supports next-generation PCIe 5.1 graphics cards, making it a solid choice for current and future builds. It also includes four PCIe 6+2-pin connectors, ensuring compatibility with current-generation GPUs. The Corsair HX1000i also complies with the ATX 3.1 standard, supporting PCIe Gen 5.1 and designed to resist transient power spikes. Both units are highly compatible with modern components, but the be quiet! model’s additional connectors may offer more versatility for users with multiple GPUs.

Brand Reputation

Both be quiet! and Corsair hold strong reputations in the power supply sector. be quiet! is known for its focus on quiet operation and efficiency, making it a favourite among users who prioritise silence. Corsair, on the other hand, is recognised for its premium quality and advanced features, appealing to gamers and PC builders who demand high performance. The choice between the two brands may come down to personal preference, brand loyalty, and the specific needs of the user’s build.

Which should you buy?

Deciding between the be quiet! Pure Power 13 M 1000W and the Corsair HX1000i largely depends on your individual needs and budget. If you are looking for an efficient, cost-effective power supply that excels in silent operation and offers good compatibility, the be quiet! model at £99.99 is a compelling choice. Conversely, if you require premium features, advanced modularity, and are willing to invest more, the Corsair HX1000i at £169.99 may be worth the extra expense. Consider your priorities around noise, efficiency, and future-proofing to make the best decision for your build.