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Rosewill PMG Series, PMG850, 850W Fully Modular Power Supply, 80 PLUS GOLD Certified, Low Noise, Single +12V Rail, SLI & CrossFire Ready, Black

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  • 80 Plus Gold Certified: Delivers 90% or more efficiency under typical load conditions and provides numerous defenses for your sensitive equipment, including protection from short-circuit, over-current, over-voltage, over-power, under-voltage, and over-temperature.
  • Function First: Reduce dust build-up and achieve better cable management with this fully modular 850W power supply using only the cables your build requires.
  • Superior Silence: A 135mm fan provides the PSU with optimal airflow and lower noise. Enjoy your content without extra noise pollution.
  • 5-Year Warranty: Dependability is paramount, and if anything does go wrong, your PSU is protected.
Rosewill Power Supply

Power Supplies

Rosewill's line of Power Supplies offer a wide range of options for building or improving your gaming PC.

Rosewill Power Supply

PMG850 850 Watt Power Supply

Fully Modular Design

Allows for better cable management to create a neat computer case. Reduce dust build-up and improve airflow by using only the cables your build requires.

80 Plus Gold Certified

Delivers 90% or more efficiency under typical load conditions. Prevents the waste of power and unnecessary additional heat.

ATX Compatibility

ATX 12V V2.3 ready, Crossfire ready, and SLI ready. Supports EPS 12V 2.92 and is also backward-compatible with ATX 12V 2.01.


  • Active Power Factor Correction
  • Over Voltage Protection
  • Over Current Protection
  • Short Circuit Protection
  • Over Power Protection
  • Over Temperature Protection
Sony Portable Speakers

Ultra Quiet Fan

135mm fan designed to produce low noise while expanding your the lifespan of your power supply.

Sony Portable Speakers

Maximum Protection

Power Supply features various protections, including Over-Voltage, Short-circuit, Over-Current, Over-Temperature, and Over-Power Protections.

Sony Portable Speakers

Connectors Included

Includes various connectors, including 20+4 Motherboard PIN, 4+4 CPU PIN, 6+2 PIN PCI-E, SATA, 4 PIN Molex, and 4 PIN Floppy.

Sony Portable Speakers
Sony Portable Speakers
Sony Portable Speakers
Sony Portable Speakers
This Item
Sony Portable Speakers
Sony Portable Speakers
20+4 Motherboard PIN Connector 1 1 1 1 1 1
4+4 CPU PIN Connector 1 1 1 2 2 2
6+2 PIN PCI-E Connector 2 4 4 4 8 8
SATA Connector 6 8 8 6 8 8
4 PIN Molex Connector 3 4 4 3 3 3
4 PIN Floppy Connector 1 1 1 1 1 1
Sony Portable Speakers

About Rosewill

Rosewill Inc. was established in 2004, as a go-to resource for PC components and accessories. Over time, it has expanded its product line to include consumer electronics, home appliances, and more. For nearly two decades, Rosewill has remained dedicated to providing its customers with high-quality, reliable products to help accomplish everyday tasks.

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
  • This item is covered by Newegg.com's International Order Return Policy. Read full return policy for details.
  • *Subject to applicable law