General Information for Corsair PSU
Corsair RM850x, 850 W, 100 - 240 V, 47 - 63 Hz, 6 - 12 A, 150 W, 850 W
RM850x
ALL THE WATTS, NONE OF THE DECIBELS.CORSAIR RMx series fully modular power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC, with virtually silent operation.
80 PLUS GOLD CERTIFIEDHigh efficiency operation for lower power consumption, less noise and cooler temperatures.
TUNED FOR LOW NOISE OPERATIONA specially set fan curve ensures that, even at full load, fan noise is kept to a minimum.
ZERO RPM FAN MODEAt low and medium loads the cooling fan switches off entirely for near-silent operation.
100% ALL JAPANESE 105C CAPACITORSPremium internal components ensure unwavering power delivery and long-term reliability.
FULLY MODULAR CABLESOnly connect the cables your system needs, making clean and tidy builds easier.
COMPACT SIZEA 160mm-long casing ensures an easy fit in almost all modern enthusiast PC cases.
TEN-YEAR WARRANTYYour guarantee
of reliable operation that will last across several system builds.
- 80 PLUS Gold efficiency, delivering 90% energy efficiency at real world load conditions
- ZeroRPM mode for fanless operation at low loads and outstanding noise reduction
- 135mm thermally controlled fan spins up as needed
- Fully modular cables for easy installation, less clutter, and helps maximize airflow through your computers chassis
- Engineered to meet maximum power output at a server-grade 50C temperature rating
- Over-voltage protection, under-voltage protection, short circuit protection, over power protection, and over temperature protection provide maximum safety to your critical system components RM850x
Further details for this product, RM850x, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo UK is not responsible for the content.
ATX 2.4V, EPS 2.94, 850W, 135mm Fan, Rifle Bearing, Fully Modular, 80 PLUS Gold, UK Plug
Corsair RM850x. Total power: 850 W, AC input voltage: 100 - 240 V, AC input frequency: 47 - 63 Hz. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 61 cm, SATA power cable length: 750,850 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Cooling type: Active, Fan diameter: 13.5 cm. Compliance certificates: RoHS, Certification: FCC, ICES, CE, UL / CUL, CSA, C-Tick/RCM, TUV, CB, CU, KC Mark, WEEE, REACH
Initial Release Date: 17/02/2018
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Corsair RM850x power supply unit 850 W 20+4 pin ATX ATX Black CP-9020180-UK Specifications
Product Type
PSU
Brand
Corsair
Collection Model
Corsair RM850x
Manufacturer Product Type
Corsair PSU
Product colour
Black
Fan diameter 13.5 cm
Cooling type Active
Number of fans 1 fan(s)
On/off switch Yes
Product Family
RM850x
Purpose PC
Motherboard power connector 20+4 pin ATX
Motherboard power cable length 61 cm
Number of SATA power connectors 10
SATA power cable length 750,850 mm
Peripheral (Molex) power cable length 750 mm
PCI Express power connectors (8-pin) 6
PCI Express power cable length 75 cm
Floppy disk drive cable length 10.1 cm
Floppy disk drive connector Yes
PCI Express connector Yes
Cabling type Modular
Cabling type Fully-Modular
Total power 850 W
AC input frequency 47 - 63 Hz
Input current 6 - 12 A
Combined power (+3.3V) 150 W
Combined power (+12V) 850 W
Combined power (+5V) 150 W
Combined power (-12V) 9.6 W
Combined power (+5Vsb) 15 W
Max output current (+3.3V) 25 A
AC Input Voltage 100 - 240 V
Max output current (+12V) 70.8 A
Max output current (+5V) 25 A
Max output current (-12V) 0.8 A
Max output current (+5Vsb) 3 A
AC Input Voltage 100 - 240
AC input frequency 47 - 63
Input current 6 - 12
Width 150 mm
Height 86 mm
Weight 1.66 kg
Depth 160 mm
Peripheral (Molex) power connectors (4-pin) 8
EPS power connector (8-pin) Yes
Power supply unit (PSU) form factor ATX
80 PLUS certification 80 PLUS Gold
Bearing technology Rifle
ATX version 2.4
EPS version 2.92
Mean time between failures (MTBF) 100000 h
Year 2018
Power protection features Over power,Over voltage,Overheating,Short circuit,Under voltage
Power protection features Over power, Over voltage, Overheating, Short circuit, Under voltage
Certification FCC, ICES, CE, UL / CUL, CSA, C-Tick/RCM, TUV, CB, CU, KC Mark, WEEE, REACH
Sustainability certificates RoHS
Compliance certificates RoHS
Cable ties included Yes
Manual Yes
Case badge included Yes
Gaming Platforms PC Platform
Colour of product Black
MPN CP-9020180-UK
Corsair RM850x power supply unit 850 W 20+4 pin ATX ATX Black CP-9020180-UK Reviews
Adam - 5 out of 5 Reviewed on feefo.com in the United Kingdom on 09 June 2021Verified Purchase
Excellent
Tarinder - 4 out of 5 Reviewed on hexus.net in the United Kingdom on 15 April 2021
Component heavyweight Corsair periodically updates its range of power-supply units (PSUs) to incorporate new features and technology. It has been three years since the popular RMx line had a makeover, and Corsair believes there is enough new to warrant a...
+Great regulation, efficiency and ripple, Updated looks, 10-year warranty, High-quality fan, Three EPS connectors-In-line caps make main cabling bulkyHaving a high-quality PSU pays dividends build upon build. We'd recommend a fully-modular design touting at least 80 PLUS Gold Efficiency, rock-solid voltage regulation and ripple suppression, all wrapped up in a chassis housing a high-quality fan able to...
crmaris - 4.25 out of 5 Reviewed on kitguru.net in the United Kingdom on 28 September 2018
The major difference between the older RM850x and its successor is the shorter, by 20mm, depth of the new model. With the new model Corsair claim to offer excellent performance at a competitive price point, and all with no cost cutting. Our analysis will...
Eric - 4 out of 5 Reviewed in the United Kingdom on 18 December 2017
Skylake-X and Threadripper CPUs, and GTX 1080 Ti and Vega GPUs have one thing in common: they consume a lot of power. If you want to build a high-end system, you have to choose a fitting power supply. We tested 39 models that can supply 700 or up to and i...
The performance of all of the tested power supplies are good or very good across the board. The Be quiet! Pure Power 9 CM 700W and the Cooler Master MasterWatt Lite 700W drop down a little bit too far with their voltage on the 12 volt rail at high load, b...
Aris - 4 out of 5 Reviewed on tomshardware.com in the United Kingdom on 05 December 2017
For anyone counting, Corsair's RM750x and RM850x are the only two RMx models available in white, and the company says it has no plans to offer the other three capacities in this distinctive color. Today's review zeros in on the RM850x White, which is arch...
+Full power at 47°C, Silent, Ripple, Load regulation, High performance 5VSB rail, EMI results, Transient response at +12V, Build quality, Hold-up time, Accurate power ok signal, Full protection set, Fully modular, Warranty, White paint-job, Individual-In-cable caps might not look so nice to some ultra sensitive users, No fan test button, Distance between 4-pin Molex connectors, Not among the most efficient in this category, Lacks a bypass relay for the NTC thermistorIf you are out seeking for a white PSU, the white version of the RM850x model looks to be the perfect choice. It offers high performance, it is super silent, it looks nice and it is backed up by a really long warranty period. The cherry on top is the indi...
Eric - 4 out of 5 Reviewed in the United Kingdom on 06 November 2017
Skylake-X and Threadripper CPUs, and GTX 1080 Ti and Vega GPUs have one thing in common: they consume a lot of power. If you want to build a high-end system, you have to choose a fitting power supply. We tested 39 models that can supply 700 or up to and i...
The performance of all of the tested power supplies are good or very good across the board. The Be quiet! Pure Power 9 CM 700W and the Cooler Master MasterWatt Lite 700W drop down a little bit too far with their voltage on the 12 volt rail at high load, b...
Reviewer - 4 out of 5 Reviewed in the United Kingdom on 17 November 2015
Even the most advanced computer set ups with a single graphics card will run on a 650W power supply without any issues. However if you want to have a multiple graphics card set-up, you will need more power. The power supplies that we have tested, have t...
At the risk of being a bit dull, just as in earlier power supply tests we can state that in this day and age you have to make a serious effort to purchase a truly bad PSU. In particular in the class as discussed in this test. However, that does not mean...
Tarinder - 4 out of 5 Reviewed on hexus.net in the United Kingdom on 29 September 2015
Corsair has struck gold with PSUs. First coming to prominence with the HX range back in 2009, Corsair has now separated its offerings into six series, with further subdivisions in each. It could be argued that Corsair has too many supplies in its arsenal...
+Premium electrical performance, Competitive pricing, Super ripple results, Seven-year warranty, Flat cabling-Is this the end for Corsair LinkNumerous manufacturers have now stepped up to the plate to challenge Corsair in the lucrative PSU stakes. Increased competition is driving down prices to levels where, for example, the Corsair RMi is no longer able to reach.Enter the Corsair RMx range...