CORSAIR RMx Series RM850x ATX Power Supply – Fully Modular – ATX 3.1 – PCIe 5.1 – Cybenetics Gold – Low-Noise – Japanese Capacitors – 850 Watts – Ten-Year Warranty
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Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs.
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Cybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures.
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ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes.
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Native 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection - no adapter necessary.
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Embossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze.
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Low Noise with 140mm Fan: A 140mm FDB fan with a specially calculated fan curve ensures low-noise operation even at full load, with a fan speed adjustment knob on the back for quick manual control.
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100% Japanese Electrolytic Capacitors: Delivers steady, reliable power and dependable electrical performance with 105°C-rated Japanese capacitors.
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50°C Maximum Operating Temperature: For reliable power even under high-stress conditions.
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Zero RPM Fan Mode: For near-silent operation at lower loads.
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Ten-Year Warranty: Your guarantee of reliable operation for peace of mind through multiple builds.
Quiet, Dependable, Efficient
Our best-selling PSU, updated. This fully modular, low noise, Cybenetics Gold-certified power supply is ATX 3.1 compliant and ideal for delivering dependable power to today's top-performing PCs.
50°C Continuous Operating Temperature
Ensures reliable power for your PC, even under high-stress conditions.
105°C-Rated Capacitors
Built with 100% Industrial-grade, 105°C-rated Japanese electrolytic capacitors for unwavering power and reliability.
ATX 3.1 Certified
Be confident your PSU supports the latest sleep and hibernate modes and modern CPU and GPU requirements. ATX 3.1 compliance ensures full compatibility with modern components and power states.
Fully Modular Connectors
Connect only what you need using sleek embossed cables with low-profile combs to make installations a breeze.
140mm Low-Noise Fan
A fluid dynamic bearing fan with magnetic dome structure keeps noise to a minimum, with Zero RPM mode to eliminate fan noise completely at low to medium loads.
Manual Fan Override Knob
Want to get more air through the PSU or to exhaust some heat from your case? You can override the Zero RPM Mode and low-noise profile of the RMx Series with our manual fan override knob, increasing fan speed and airflow.
Ten-Year Warranty
World-class support
Our award-winning service means you can enjoy your gear worry-free.
