be quiet! Pure Power 13 M 1000W Power Supply vs Corsair RM850e

Price Comparison

The Corsair RM850e has a lower price point than the be quiet! Pure Power 13 M 1000W, costing £92.99 compared to £99.99. This difference of £7 may influence budget-conscious buyers looking for a reliable power supply. While both products offer excellent performance, the price difference could make the Corsair model more appealing to those wanting to optimise their spending without sacrificing quality.

Efficiency Ratings

When it comes to efficiency, the be quiet! Pure Power 13 M 1000W stands out with an impressive 80 PLUS Gold certification, boasting an efficiency of up to 94.4%. This means it consumes less power, leading to lower electricity bills over time. In contrast, while the Corsair RM850e is also an efficient power supply, its specific efficiency rating is not detailed in the provided information. The enhanced efficiency of the be quiet! model is a significant factor for users prioritising energy savings.

Power Capacity

The be quiet! Pure Power 13 M 1000W offers a substantial 1000W of continuous power, which is ideal for high-performance gaming systems and demanding applications. It features a single massive 12V rail, allowing it to handle power excursions up to double its rated power effortlessly. On the other hand, the Corsair RM850e provides 850W, which may suffice for many users but could limit those with extreme power requirements. The higher power capacity of the be quiet! model makes it a more suitable choice for future-proofing high-end builds.

Build Quality and Components

In terms of build quality, both power supplies incorporate high-quality components. The be quiet! Pure Power 13 M features LLC topology for premium voltage regulation and efficiency. Meanwhile, the Corsair RM850e uses 105°C-rated capacitors, ensuring steady and reliable power delivery. Although both models promise reliability, the advanced design of the be quiet! unit may offer a slight edge for users building very quiet systems, thanks to its focus on optimised airflow.

Noise Levels

For users concerned about noise levels, the be quiet! Pure Power 13 M 1000W excels with a fan that operates silently under low load conditions, turning off completely until needed. This makes it exceptionally quiet in various scenarios, particularly beneficial for gaming and media creation systems. The Corsair RM850e also prioritises low noise with its 120mm rifle bearing fan, designed to keep noise down even at full load. However, the superior noise management of the be quiet! unit could be more appealing for those seeking a whisper-quiet computing experience.

Cable Management

Cable management is simplified with both power supplies, but they approach it differently. The be quiet! Pure Power 13 M 1000W utilises a modular design that allows users to leave out unnecessary cables, resulting in a tidy system layout. This uncluttered arrangement fosters improved airflow, which in turn contributes to lower temperatures. The Corsair RM850e is fully modular as well, allowing users to connect only the cables needed for their build. While both offer modularity, the be quiet! model’s emphasis on airflow and tidy aesthetics might attract users who prioritise both functionality and visual appeal.

Compatibility with Modern Standards

Both power supplies are designed with modern standards in mind. The be quiet! Pure Power 13 M 1000W is certified as an ATX 3.1 PSU, which includes native support for the PCIe 5.1 graphics cards, making it highly versatile for future upgrades. The Corsair RM850e is also Intel ATX 3.1 certified, ensuring it can handle the latest hardware requirements. However, the specific support for graphics cards in the be quiet! model gives it an advantage for users looking to invest in the latest technology without worrying about compatibility.

Which should you buy?

When deciding between the be quiet! Pure Power 13 M 1000W and the Corsair RM850e, consider your specific needs. If you prioritise higher power capacity, superior efficiency, and quieter operation, then the be quiet! model is the better choice despite its higher price of £99.99. On the other hand, if you are working within a tighter budget and require a reliable power supply for standard gaming or office use, the Corsair RM850e at £92.99 offers excellent value. Ultimately, your choice should reflect your power needs, budget, and preferences for noise levels and efficiency.