Corsair RM Series RM850 850W Fully Modular Power Supply

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RM Series 850W 80+ Gold Power Supply from Corsair
Corsair RM PSU

RAISE YOUR POWER

CORSAIR RM Series Fully Modular Ultra-Low Noise Power Supplies deliver consistent 80 PLUS Gold efficient power to your PC. With triple/dual EPS12V cables and four PCIe 8-pin power connectors, RM PSUs have all the connections needed to power today’s most demanding PC upgrades. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance and reliability, backed by a ten-year warranty. Wake your computer faster and consume less power with support for the Modern Standby sleep mode. Zero RPM fan mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you connect only the cables your system requires. RM PSUs are quiet, efficient, and dependable to power your high-performance PC for years to come.

850 Watts

80 Plus Gold Efficiency Rating

ATX Form Factor

Tuned for Low Noise Operation

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PLAY WITH NO DISTRACTIONS

A 140mm rifle bearing fan with a specially calculated fan curve ensures that fan noise is kept to a minimum, even at full load.

Made with Power Consumption in Mind

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HIGH EFFICIENCY

With upwards of 90% peak efficiency, RM produces less noise and less heat, which means less time worrying and more time gaming.

Installation is a Breeze

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FULLY MODULAR

Completely modular cables means you only connect the cables your system needs, and the wide range of included cables adds broad compatibility with modern graphics cards and motherboards.

Enjoy the Peace & Quiet

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ZERO RPM FAN MODE

At low and medium loads the cooling fan switches off entirely for near-silent operation. Once the action picks up, the fan activates, ensuring critical component temps stay in check.

Super Fast Loading Times

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TECHNOLOGY AND RELIABILITY

For consistent, reliable power and superb electrical performance, each RM Series power supply features a robust resonant LLC topology with DC-DC conversion and 105°C rated industrial-grade capacitors. With precise timings, RMx supports Microsoft Modern Standby, ensuring extremely fast wake-from-sleep times and better low-load efficiency.

Efficiency at it's Finest

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115V

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230V

CERTIFICATIONS

The Cybenetics organization measures efficiency and noise levels across the PSU’s entire operational range, using more than 1,450 different load combinations.
The "Gold" efficiency rating is defined as ≥87% to < 91% (depending on input voltage).
The "A-" noise level test is measured in those same configurations to be ≥25 dBA & < 30 dBA under noise data averaging.

General

Device Type Power supply - internal
Specification Compliance ATX12V 2.4/ EPS12V 2.92
PSU Form Factor ATX
Colour Black
Localisation United Kingdom

Power Device

Input Voltage AC 100-240 V
Frequency Required 47 - 63 Hz
Power Output Connectors Details 1 x power 24 pin ATX ¦ 3 x power 8 pin EPS12V with detachable 4 pin ATX12V section ¦ 4 x 4 PIN internal power ¦ 14 x 15 pin Serial ATA power ¦ 4 x 8 pin PCI Express power with detachable 2 pin section
Output Voltage +3.3, +5, ±12 V
Power Capacity 850 Watt
Output Current +3.3V - 20 A ¦ +5V - 20 A ¦ +12V - 70.8 A ¦ -12V - 0.3 A ¦ +5VSB - 3 A
Modular Cable Management Yes
80 PLUS Certification 80 PLUS Gold

Miscellaneous

MTBF 100,000 hours
Cooling System 140 mm fan
Features Sleeved cables, DC-DC technology, Zero RPM fan mode, rifle bearing cooling fan, fully modular, Modern Standby compatible

Manufacturer Warranty

Service & Support Limited warranty - 10 years

Dimensions & Weight

Width 15 cm
Depth 16 cm
Height 8.6 cm
Weight 1.7 kg

Dimensions & Weight (Shipping)

Shipping Width 30.2 cm
Shipping Depth 21.4 cm
Shipping Height 12.9 cm
Shipping Weight 3.1 kg