Corsair RM850e Fully Modular Low-Noise ATX Power Supply Review

Overview The Corsair RM850e is a high-performance, fully modular power supply designed for modern gaming PCs and demanding systems. It is certified for ATX 3.0 and supports PCIe Gen 5, making it a versatile choice for future-proofing your build. This review will delve into its features, performance, and overall value.

Design and Build Quality The RM850e features a sleek black design that fits well in most modern PC cases. It measures 5.91 x 5.51 x 3.39 inches and weighs 3.4 pounds, making it compact and lightweight. The fully modular cabling system allows for easy cable management, reducing clutter and improving airflow within the case.

Performance The power supply is equipped with a 120mm rifle bearing fan that operates at a low noise level even under full load. This is achieved through a specially calculated fan curve that ensures optimal performance and minimal noise. The RM850e delivers up to 90% efficiency, making it an excellent choice for those looking to save on power bills. It also supports Modern Standby, which enables fast wake-from-sleep times and better low-load efficiency.

Key Features

• Fully Modular Cabling: Connect only the cables your system requires, reducing clutter and improving airflow.
• Intel ATX 3.0 Certified: Supports the latest PCIe Gen 5 platform and resists transient power spikes.
• 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
• 80 PLUS Gold Efficiency: Achieves up to 90% efficiency, reducing heat and noise.
• Modern Standby Support: Enables fast wake-from-sleep times and better low-load efficiency.
• Zero RPM Fan Mode: Operates silently at lower loads.
• Compact Design: Fits easily in modern enthusiast PC cases.

Pros

• Quiet Operation: The 120mm rifle bearing fan keeps noise levels down, even under full load.
• Efficient Power Delivery: Up to 90% efficiency reduces heat and noise.
• Future-Proofing: ATX 3.0 and PCIe Gen 5 compliance ensures compatibility with future hardware.
• Easy Cable Management: Fully modular cabling system simplifies PC builds.
• Reliable Components: 105°C-rated capacitors provide dependable electrical performance.
• Fast Wake-Up Times: Modern Standby support enhances system responsiveness.

Cons

• Higher Cost: While the RM850e offers excellent performance, it comes at a higher price point compared to some other options.
• Limited Compatibility with Older Systems: The ATX 3.0 certification may limit its use in older systems that do not support the latest standards.

Verdict The Corsair RM850e is an excellent choice for anyone seeking a reliable, efficient, and quiet power supply. Its fully modular design, high efficiency rating, and support for modern standards make it a versatile option for both new and existing builds. While it may be more expensive than some alternatives, its performance and future-proofing capabilities justify the cost.

Features Table