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RM850x v2 rev. 2.0 850W Black Computer Power Supply Full Modular Cybenetics Gold
Power Supplies

RM850x v2 rev. 2.0 850W Black Computer Power Supply Full Modular Cybenetics Gold

Key features:

  • Size: ATX
  • Fan: 140mm
See full description

Top specs

  • Type

    Specifies the size and compatibility with the computer case. The most common types are ATX for standard cases, SFX and TFX for small or slim systems, and EPS for powerful setups or servers.

    ATX

    The most common power supply size, compatible with most mid and full tower cases.

  • Certification

    Cybenetics Gold

    Certified high efficiency with real data.

  • Fan Dimension

    The diameter of the fan in millimeters. The larger the fan, the more effective the cooling and the quieter the power supply operation. The most common size is 120mm, with some power supplies reaching up to 140mm.
  • See all
161 00 €
Delivery Tuesday
Free   shipping cost
From Hitechstore 4.9 (36)
4.9 (36 reviews)
Χαλάνδρι, Αττικής
In-store pickup available
3 pieces
See Computer Hardware on the page of Hitechstore

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What if it breaks?

You're covered by the statutory 2-year warranty. Contact us and we'll handle the entire process with the store, ensuring your issue is resolved with prompt support through a repair, replacement, or refund.

What if I change my mind?

No problem, as long as it's within 14 days. We'll come pick it up or you can choose the Skroutz Point that suits you, completely free for up to 2 times per year, and we'll refund your money. Get Skroutz Plus to enjoy unlimited free returns.

Product report

Description

Description

The fully modular power supplies of the CORSAIR RM850x series are built with the highest quality components to deliver 80 PLUS Gold efficient power to your computer, with nearly silent operation.

All the watts, no decibel

The fully modular CORSAIR RMx series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your computer, with nearly silent operation.

80 Plus Gold Certification

High-efficiency operation for lower power consumption, less noise, and lower temperatures.

Tuned for Low-Noise Operation

A specially tuned fan curve ensures that even at full load, fan noise is kept to a minimum.

Zero RPM Fan Mode

At low and medium loads, the cooling fan switches off entirely for near-silent operation.

100% All 105°C Capacitors

The high-quality internal components ensure unwavering power supply and long-term reliability.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Dimensions

Power
850 W
Size
ATX

Size

Specifies the size and compatibility with the computer case. The most common types are ATX for standard cases, SFX and TFX for small or slim systems, and EPS for powerful setups or servers.

ATX
The most common power supply size, compatible with most mid and full tower cases.
Modularity
Full Modular

Modularity

Describes the degree to which power cables are detachable. Modular power supplies allow for the use of only necessary cables, resulting in better aesthetics and airflow.

Full Modular

All cables are detachable from the power supply. It helps for a more organized assembly with better aesthetics and airflow.
Certification
Cybenetics Gold

Certification

Cybenetics Gold
Certified high efficiency with real data.
Fan Dimension
140 mm

Fan Dimension

The diameter of the fan in millimeters. The larger the fan, the more effective the cooling and the quieter the power supply operation. The most common size is 120mm, with some power supplies reaching up to 140mm.
Color
Black

ATX Version

ATX 3.1
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (49)

Reviews

4.9
49
4.9
Review this product
  1. 47
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product
  • Silent
  • Quality construction
  • Durability
  • Value for money
  • Number of connections
  • Operational stability
  • Cable management

What do users say? AI-generated summary

Users rate the power supply as excellent, mainly praising its build quality and quiet operation. They also mention easy installation thanks to the detachable cables and stable voltages. However, the cables are considered difficult to manage, and one user reported a failure after a year of use.

Reviews by our members

  • Petros Andrianos
    5
    Petros Andrianos

    2nd month, everything looks good. I think it’s very good, high-quality, and almost the final word in energy coverage for most people! It seems worth it, and I’ll come back after a few months of use with more.

    Translated from Greek ·
    0
  • aggelosss_0
    5
    aggelosss_0

    terrific quality.

    Translated from Greek ·
    0
  • paramythiotis_nikola
    5
    paramythiotis_nikola

    Silent, easy to connect and to supply with the detachable cables it has, stable in voltages in all measurements. Quality construction even though it is hidden inside the case.....

    Translated from Greek ·
    0
  • zepp
    1
    zepp

    Coming from an RM650X, I went with this one along with my computer upgrade. It was paired with a 4070 ti and the 7800x3d.

    Today, exactly 1 year after purchasing it, the power supply burned out out of nowhere, while the computer was running. What can I say, I may have gotten a defective product since I held this particular series and company in high regard for its reliability and did not expect something like this to happen.

    In the end, after getting a refund and doing quite a bit of research, I decided to spend a bit more and go for the Be Quiet Dark Power 14, which is one of the top in its category and recommended by "hardware busters".

    Translated from Greek ·
    5
  • Qwark_28
    5
    Qwark_28

    With one month of use, very good power supply.

    A tier on the PSU tier list, which is the main metric by which we buy PSUs.

    I have the whole PC silent, and the only noise in the background is the power supply at about 20-something decibels.

    Translated from Greek ·
    1
  • See all
Questions (3)

Questions

602 users have this product and can help you

Ask for the product
Dimitris_Simiris

Περιέχει 12vHPWR καλώδιο που να είναι κατευθείαν από το psu στην gpu και στα 2 άκρα για τις κάρτες 50series?

Dimitris_Simiris 2026-03-26
1 Reply Reply to
See all questions (3)

Description & Specifications

The fully modular power supplies of the CORSAIR RM850x series are built with the highest quality components to deliver 80 PLUS Gold efficient power to your computer, with nearly silent operation.

All the watts, no decibel

The fully modular CORSAIR RMx series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your computer, with nearly silent operation.

80 Plus Gold Certification

High-efficiency operation for lower power consumption, less noise, and lower temperatures.

Tuned for Low-Noise Operation

A specially tuned fan curve ensures that even at full load, fan noise is kept to a minimum.

Zero RPM Fan Mode

At low and medium loads, the cooling fan switches off entirely for near-silent operation.

100% All 105°C Capacitors

The high-quality internal components ensure unwavering power supply and long-term reliability.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Power
850 W
Size
ATX

Size

Specifies the size and compatibility with the computer case. The most common types are ATX for standard cases, SFX and TFX for small or slim systems, and EPS for powerful setups or servers.

ATX
The most common power supply size, compatible with most mid and full tower cases.
Modularity
Full Modular

Modularity

Describes the degree to which power cables are detachable. Modular power supplies allow for the use of only necessary cables, resulting in better aesthetics and airflow.

Full Modular

All cables are detachable from the power supply. It helps for a more organized assembly with better aesthetics and airflow.
Certification
Cybenetics Gold

Certification

Cybenetics Gold
Certified high efficiency with real data.
Fan Dimension
140 mm

Fan Dimension

The diameter of the fan in millimeters. The larger the fan, the more effective the cooling and the quieter the power supply operation. The most common size is 120mm, with some power supplies reaching up to 140mm.
Color
Black

ATX Version

ATX 3.1
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (49)

4.9
49
4.9
Review this product
  1. 47
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product
  • Silent
  • Quality construction
  • Durability
  • Value for money
  • Number of connections
  • Operational stability
  • Cable management

What do users say? AI-generated summary

Users rate the power supply as excellent, mainly praising its build quality and quiet operation. They also mention easy installation thanks to the detachable cables and stable voltages. However, the cables are considered difficult to manage, and one user reported a failure after a year of use.

Reviews by our members

  • Petros Andrianos
    5
    Petros Andrianos

    2nd month, everything looks good. I think it’s very good, high-quality, and almost the final word in energy coverage for most people! It seems worth it, and I’ll come back after a few months of use with more.

    Translated from Greek ·
    0
  • aggelosss_0
    5
    aggelosss_0

    terrific quality.

    Translated from Greek ·
    0
  • paramythiotis_nikola
    5
    paramythiotis_nikola

    Silent, easy to connect and to supply with the detachable cables it has, stable in voltages in all measurements. Quality construction even though it is hidden inside the case.....

    Translated from Greek ·
    0
  • zepp
    1
    zepp

    Coming from an RM650X, I went with this one along with my computer upgrade. It was paired with a 4070 ti and the 7800x3d.

    Today, exactly 1 year after purchasing it, the power supply burned out out of nowhere, while the computer was running. What can I say, I may have gotten a defective product since I held this particular series and company in high regard for its reliability and did not expect something like this to happen.

    In the end, after getting a refund and doing quite a bit of research, I decided to spend a bit more and go for the Be Quiet Dark Power 14, which is one of the top in its category and recommended by "hardware busters".

    Translated from Greek ·
    5
  • Qwark_28
    5
    Qwark_28

    With one month of use, very good power supply.

    A tier on the PSU tier list, which is the main metric by which we buy PSUs.

    I have the whole PC silent, and the only noise in the background is the power supply at about 20-something decibels.

    Translated from Greek ·
    1
  • See all
161,00 €
Free   shipping cost
Corsair