CORSAIR RM850x RMx Series Fully Modular ATX Power Supply – Black

About This Item

The CORSAIR RMx Series RM850x is a fully modular, low-noise power supply designed for reliability and efficiency. With Cybenetics Gold certification, Japanese capacitors, and ATX 3.1 compliance, it delivers stable power for even the most demanding PC hardware. The 140mm fluid dynamic bearing (FDB) fan ensures quiet operation, while Zero RPM mode allows for near-silent performance under low loads. the RM850x is the gold standard for PC builders.

Features:

• Fully Modular Design – Use only the cables you need for a cleaner, easier build.
• Cybenetics Gold Certified – Up to 91% efficiency reduces power consumption, heat, and noise.
• ATX 3.1 Compliant – Supports PCIe 5.1 and handles transient power spikes with ease.
• Native 12V-2x6 Connector – Directly connects to modern GPUs—no adapter required.
• Embossed Low-Profile Cables – Flexible and easy to install, with sleek combs for a clean look.
• Low-Noise Cooling – 140mm FDB fan with an optimized curve keeps noise low even at full load.
• Zero RPM Fan Mode – Silent operation at lower power loads.
• 100% Japanese 105°C Electrolytic Capacitors – Stable and reliable power delivery.
• 50°C Maximum Operating Temperature – Performs reliably under high-stress conditions.

What’s Included:

• CORSAIR RM850x Power Supply
• 1x ATX 24-Pin Cable (24-Pin)
• 2x EPS/ATX12V 8-Pin Cables (4+4-Pin)
• 3x PCIe 8-Pin Cables (6+2-Pin)
• 1x PCIe 12+4-Pin Cable (12+4-Pin)
• 2x SATA Cables (4-SATA, Straight Angle)
• 1x PATA 4-Pin Cable
• Power Cord
• Mounting Screws & Cable Ties