UK to EU Shipping: We will dispatch all EU orders from Belgium. NO HASSLE, NO TAX, NO DUTY, NO EXTRA CHARGES UK to USA Delivery, No Hassle, Directly from the manufacturer. UK to Australia & New Zealand Shipping: We will dispatch all Orders from Australia. NO HASSLE, NO TAX, NO DUTY, NO EXTRA CHARGES UK to EU Shipping: We will dispatch all EU orders from Belgium. NO HASSLE, NO TAX, NO DUTY, NO EXTRA CHARGES UK to USA Delivery, No Hassle, Directly from the manufacturer. UK to Australia & New Zealand Shipping: We will dispatch all Orders from Australia. NO HASSLE, NO TAX, NO DUTY, NO EXTRA CHARGES

Categories

Corsair RM850 white power supply unit showing front modular ports and top fan grille
Corsair RM850 white power supply unit showing front modular ports and top fan grille
Rear view of Corsair RM850 PSU with AC power inlet and on/off switch
Close-up of Corsair RM850 modular cable connectors for SATA, PCIe, and motherboard
Corsair RM850 white power supply front view showing triangular fan grille and central logo
Side profile of Corsair RM850 PSU revealing modular SATA and PCIe cable ports
Rear panel of Corsair RM850 power supply unit displaying model name and white casing
Corsair RM850 white power supply with modular cables and PSU connectors
Corsair RM850 white PSU front view showing 80 Plus Gold certification
Corsair RM850 power supply fan noise graph and zero RPM mode chart
Corsair RM850 white power supply unit with 10-year warranty badge and modular port layout
Corsair RM850 fully modular cable diagram showing ATX, EPS, PCIe, and SATA connector types
Corsair RM850 80 Plus Gold efficiency graph displaying power consumption at various system loads
Corsair RM850 white power supply dimensions showing 150x160x86mm size with rear I/O panel
Logo

Corsair RM850, 850 W, 100 - 240 V, 47 - 63 Hz, 10 A, Power Supply Unit

UK Free Shipping UK Free Shipping over £249


Buy 5 or More Units - Unlock Priority Discounts!
Buy 20 or More Units - Get Exclusive Volume Discounts!


Also Support: Google & Apple Pay

Are you a reseller or placing a large order?
We're happy to offer Special Pricing tailored to your needs.
Click "Request Quote" or email us at [email protected] to get your best price today!

Add to Wishlist

Compare

Product Code: PSEL-047

MPN #: CP-9020232-UK

Power-hungry builds often suffer from unstable voltages and noisy fans that ruin the gaming experience. The Corsair RM850, 850 W, 100 - 240 V, 47 - 63 Hz, 10 A, Power Supply Unit delivers reliable, ultra-quiet power so you can push your components to the limit without worrying about crashes or constant fan whine. It is a fully modular, 80 PLUS Gold certified PSU designed for high-performance PCs.

Corsair RM850, 850 W, 100 - 240 V, 47 - 63 Hz, 10 A, Power Supply Unit - the quiet solution for demanding rigs

Modern PCs demand clean, consistent electricity, especially when multiple graphics cards or over-clocked CPUs are involved. Unstable power can cause system instability, data loss, or reduced component lifespan. This unit solves those issues by providing 91 % peak efficiency, a zero-RPM fan mode for silent idle, and a robust resonant LLC topology that keeps voltage ripple to a minimum. The result is a stable platform that lets you focus on gaming, content creation, or heavy multitasking without power-related interruptions.

Benefits

A short list of the real-world advantages you’ll notice:

  • Near-silent operation at low loads thanks to the fan-stop mode, keeping your workspace peaceful.
  • Lower electricity bills and reduced heat output thanks to 80 PLUS Gold efficiency.
  • Fully modular cabling lets you use only the wires you need, improving airflow and cable management.
  • Ten-year warranty provides confidence that your investment is protected for years to come.
  • Compatibility with the latest 12-pin GPU cables ensures you can power the newest graphics cards without adapters.

Usages of Corsair RM850, 850 W, 100 - 240 V, 47 - 63 Hz, 10 A, Power Supply Unit

This power supply is ideal for high-end gaming rigs, workstations handling 3D rendering, and any system that requires multiple PCI-Express power connectors. Its 850 W capacity comfortably supports dual-GPU setups, high-performance CPUs, and numerous storage devices, making it a versatile choice for both enthusiasts and professionals.

Key Features of Corsair RM850, 850 W, 100 - 240 V, 47 - 63 Hz, 10 A, Power Supply Unit
  • Efficiency: 91 %. Delivers high performance while keeping power waste low.
  • Max output current (+12V): 70.8 A. Provides ample power for demanding graphics cards and CPUs.
  • Fully-Modular: Yes. Allows you to connect only the cables you need for a cleaner build.
  • PCI Express connectors (6+2 pin): 4. Supports multiple GPUs or high-power graphics cards.
  • Zero RPM fan mode: Yes. Fan stops completely at low to medium loads for silent operation.
  • Input voltage range: 100 - 240 V. Works worldwide without needing a voltage converter.
  • Dimensions (HxWxD): 86 mm × 160 mm × 150 mm. Fits standard ATX cases while leaving room for airflow.
  • Weight: 1.65 kg. Light enough for easy handling yet solidly built.
  • Certifications: Cybenetics “Gold”, Cybenetics “A-”. Confirms high efficiency and low noise levels.
  • Warranty: Ten years. Gives long-term peace of mind for your investment.

Specifications
Power
Efficiency 91%
Max output current (+5Vsb) 3 A
Max output current (-12V) 0.3 A
Max output current (+5V) 20 A
Max output current (+12V) 70.8 A
Max output current (+3.3V) 20 A
Combined power (+5Vsb) 15 W
Combined power (-12V) 3.6 W
Combined power (+5V) 150 W
Combined power (+12V) 850 W
Combined power (+3.3V) 150 W
Maximum input current (@220V) 10 A
Maximum input current (@110V) 5 A
Input current 10 - 5 A
AC input frequency 47 - 63 Hz
AC input voltage 100 - 240 V
Total power 850 W
Ports & interfaces
Cabling type Fully-Modular
PCI Express connector Yes
ATX Power connector (24-pin) Yes
PCI Express power cable length 60 cm
PCI Express power connectors (6+2 pin) 4
EPS power connector (4+4 pin) Yes
EPS power connector (8-pin) Yes
SATA power cable length 750,850 mm
Number of PATA power connectors 4
Number of SATA power connectors 14
Motherboard power cable length 61 cm
Motherboard power connector 24-pin ATX
Performance
Mean time between failures (MTBF) 100000 h
Bearing technology Rifle
Noise level 30 dB
ATX version 2.4
Supported motherboard form factors ATX
80 PLUS certification 80 PLUS Gold
Power supply unit (PSU) form factor ATX
Purpose PC
Design
On/off switch Yes
Number of fans 1 fan(s)
Fan diameter 14 cm
Product colour White
Certificates
Certification Cybenetics "Gold", Cybenetics "A -"
Packaging content
Cables included AC, DC, PATA, PCIe, SATA
Weight & dimensions
Weight 1.65 kg
Height 86 mm
Depth 150 mm
Width 160 mm
Downloads

Customer Reviews

Be the first to write a review

You can upload up to 3 images (JPG or PNG formats only).
Please fill the reCAPTCHA.
Please fill the reCAPTCHA.
🍪 Cookies Notice

We use cookies to ensure you get the best experience. See our Privacy Policy.