Choose your language / region
🇹🇷 Türkçe TR🇺🇸 English EN🇩🇪 Deutsch DE🇪🇸 Español ES🇧🇷 Português PT
OriginData sources
Catalogue in 5 languagesMaker-verified specifications
CategoriesOriginData sources
TRENDEESPT
HomePower SuppliesCorsairCorsair RM850x (2024)
Global Power SuppliesCorsair RM850x (2024)
Corsair

Corsair RM850x (2024)

850 W • 80 PLUS Gold • Fully Modular • 10 years

850 WPower
80 PLUS GoldEfficiency
Fully ModularModularity
10 yearsWarranty
KACBU

Should I buy it?

Corsair RM850x (2024)
CONSIDER
    Great choice if these matter:
    • Builders who want the safe, quiet default choice and a decade of warranty
    • Mid- to high-end gaming PCs around an upper-midrange GPU
    • Silent-focused builds where the PSU should be inaudible under load
    Watch out for:
    • Priced above most competing 850 W Gold units — the RMx name carries a premium
    • Gold efficiency, not Platinum; higher-efficiency units exist at this wattage for less money
    Launch price $169.99 (US)
    Regret riskLOWlimited data
    Main risks
    • Priced above most competing 850 W Gold units — the RMx name carries a premium
    • Gold efficiency, not Platinum; higher-efficiency units exist at this wattage for less money
    • 850 W leaves little headroom for flagship GPUs with big power spikes — high-end builds should look one size up
    The risk level is computed from the release date and verified weaknesses. The confidence score appears only once enough owner reports exist.
    Alternatives
    Corsair RM750x (2024)
    Corsair RM1000x (2024)
    This box relies only on verified specs, the release date and editorial assessment; owner reports join them as they come in. We do not predict prices.
    PowerConnectorsLaunchSpecificationsFAQAlternatives
    Power

    How much of it does it clean?

    Continuous power and efficiency certification — the PSU's real job.

    POWER

    Watt on the label, quality shows under load.

    850 W

    850 W — Continuous power

    850 W
    850 WContinuous power
    Connectors

    Which cards can it power?

    The cables required by modern graphics cards are listed here.

    CONNECTORS

    16-pin cable, prerequisite for next-gen graphics card.

    1× 12V-2x6 (native)

    1× 12V-2x6 (native) — 16-pin (12V-2x6)

    1× 12V-2x6 (native)
    1× 12V-2x6 (native)16-pin (12V-2x6)
    Who Is It For?

    Where does it stand out?

    A usage guide built from the specs and the editors' tags; not a test result.

    Quiet operation

    Builders who want the safe, quiet default choice and a decade of warranty

    Good fit
    Gaming

    Mid- to high-end gaming PCs around an upper-midrange GPU

    Good fit
    Quiet operation

    Silent-focused builds where the PSU should be inaudible under load

    Good fit
    Editorial Analysis

    Strengths and points to consider

    The Kacbu editors' assessment of the specifications the maker publishes. We do not test devices ourselves, so nothing here is a measured result. Anything taken from an independent review is shown with its publication and date in the Press section.

    Strengths based on the specs
    Cybenetics Gold efficiency paired with an A noise rating — quiet under real loads, not just at idle
    Native 12V-2x6 cable connects current NVIDIA cards without adapters
    All-Japanese capacitors and the RMx track record back the 10-year warranty with substance
    The fan-speed knob lets you choose between zero-RPM silence and constant low-speed airflow
    Fully modular cabling keeps a mid-tower build clean with no unused pigtails
    Things to consider
    Priced above most competing 850 W Gold units — the RMx name carries a premium
    Gold efficiency, not Platinum; higher-efficiency units exist at this wattage for less money
    850 W leaves little headroom for flagship GPUs with big power spikes — high-end builds should look one size up
    Historical Product Info

    Official launch details

    Instead of tracking today's retail price, Kacbu keeps the product's official launch information as a reference.

    US launch price$169.99

    Corsair RM850x (2024)'s launch price.

    Source: the maker's page
    Design🇺🇸 United States
    Manufacturing🇨🇳 China

    Corsair is headquartered in the US and engineers the RMx line there. Like nearly all consumer power supplies, the units are built by specialist ODM partners in China.

    This is not the current retail price — it shows the product's historical, official launch information.
    Specifications

    Corsair RM850x (2024) specifications

    Click a linked value to see other products that share that same spec, and leave a comment on that spec.

    General

    Family
    RMx
    Segment
    Performance / Silent
    Manufacturer
    Corsair

    Power

    Power Rails
    Single 12V rail
    Wattage
    850 W

    Efficiency

    Efficiency Rating
    80 PLUS Gold
    Cybenetics Certification
    Cybenetics Gold · A noise rating

    Design

    Fan Bearing
    Fluid dynamic bearing (FDB) fan
    Modularity
    Fully Modular
    Standard
    ATX 3.1
    Capacitors
    100% Japanese capacitors
    Fan Control
    Fan speed button (zero rpm - full speed)

    Connectors

    16-pin Connector
    1× 12V-2x6 (native)

    Form Factor

    Form Factor
    ATX

    Warranty

    Warranty
    10 Year
    FAQ

    The most common questions about this product

    What the numbers on the spec sheet actually mean in day-to-day use.

    Does the Corsair RM850x (2024) have a 12V-2x6 connector?
    Yes — it is ATX 3.1 compliant and ships with a native 12V-2x6 GPU cable, so current graphics cards connect without adapters.
    How long is the RM850x warranty?
    Corsair covers the RMx line with a 10-year warranty.
    Is the RM850x quiet?
    Yes — it carries a Cybenetics A noise rating, uses a fluid dynamic bearing fan, and a knob lets you pick zero-RPM mode so the fan stays off at light loads.
    Is 850 W enough for a flagship GPU?
    For upper-midrange cards, comfortably. For flagship cards with large transient spikes, a 1000 W unit gives safer headroom — check the GPU maker's recommended supply.
    Shared Hardware

    Products that share this hardware

    This product's standout specs. You can jump to other models that use the same value.

    Wattage850 W5 more productsEfficiency Rating80 PLUS Gold5 more productsModularityFully Modular13 more products
    Alternatives

    Other models in the same category

    Other products in the same category.

    Corsair RM750x (2024)

    Corsair RM750x (2024)

    Corsair

    View product
    Corsair RM1000x (2024)

    Corsair RM1000x (2024)

    Corsair

    View product
    be quiet! Pure Power 12 M 850W

    be quiet! Pure Power 12 M 850W

    be quiet!

    View product
    Seasonic Focus GX-850 ATX 3.1

    Seasonic Focus GX-850 ATX 3.1

    Seasonic

    View product