CORSAIR RM850e Fully Modular Low-Noise ATX Power Supply - ATX 3.1 & PCIe 5.1 Compliant

The CORSAIR RM850e delivers 850W of reliable, efficient power with Cybenetics Gold certification and ATX 3.1 compliance. Designed for modern high-performance builds, this fully modular power supply features native 12V-2x6 connectivity for latest-generation graphics cards, eliminating the need for bulky adapters.

ATX 3.1 and PCIe 5.1 Ready

Built to Intel's ATX 3.1 standard with PCIe 5.1 support, the RM850e handles 2x transient power excursions from demanding GPUs. The included native 12V-2x6 connector provides direct power to Nvidia 40 Series graphics cards, while dual 12V-2x6 to 8-pin PCIe cables and additional 8-pin connectors support multi-GPU configurations.

Fully Modular Design

Connect only the cables your system requires. The fully modular cable design simplifies installation, improves airflow, and creates cleaner builds. Includes ATX 24-pin, dual EPS 8-pin, PCIe power cables, plus 6 SATA and 2 PATA connectors for comprehensive system compatibility.

Quiet, Efficient Operation

Cybenetics Gold efficiency up to 90% reduces power consumption and heat generation. The 120mm rifle bearing fan operates with a precision-tuned curve for low noise even under full load. Zero RPM Fan Mode enables near-silent operation at lower loads, while maintaining a Cybenetics "A" noise rating across all load ranges.

Premium Components and Reliability

Industrial-grade 105°C-rated capacitors ensure steady power delivery and long-term reliability. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power across varying loads. The compact 140mm casing fits modern enthusiast cases without compromise.

Modern Standby Compatible

Supports Modern Standby for extremely fast wake-from-sleep times and improved low-load efficiency, perfect for systems that require instant responsiveness.

Backed by a comprehensive seven-year warranty, the CORSAIR RM850e provides reliable power for multiple builds and upgrades.

Key Specifications

• Form Factor: ATX
• Series: Corsair RMe
• Wattage: 850 W
• Modular: Fully Modular
• Compatibility: ATX12V v3.1, EPS12V 2.92, PCIe 5.1
• Connectors: 1 x ATX (24-pin), 2 x EPS / ATX 12V 8-pin (4+4), 1 x 12V-2x6 (12+4) Pin, 2 x 12V-2x6 to Dual 8-Pin (6+2), 1 x PCIe 8-Pin (6+2), 4 x SATA (4 Straight SATA), 4 x SATA / PATA (2 Straight SATA) (2 Straight PATA)
• AC Input: 100-240V
• Fan Type: 120mm Rifle Bearing Fan
• Noise: Low Noise - Cybenetics A Noise Rating, Zero RPM Fan Mode
• Efficiency: Cybenetics Gold - Up to 90%
• Weight/Dimensions: 1.530 kg, 150 x 140 x 86 mm
• Warranty: 7 Years