Key Features
- Wattage: 850W
- 80+ Rating: 80 Plus Gold
- Modularity: Fully Modular
- ATX Version: ATX 3.1
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Corsair 850W RMx SHIFT Series RM850X PSU, Fluid Dynamic Fan, Fully Modular, 80+ Gold, ATX 3.0, PCIe 5.0
£89.04 Original price was: £89.04.£87.10Current price is: £87.10. INC VAT
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Key Features
- Wattage: 850W
- 80+ Rating: 80 Plus Gold
- Modularity: Fully Modular
- ATX Version: ATX 3.1
Shipping & Delivery
-
Standard Delivery
Our courier will deliver to the specified address
5-7 Working Days
From £4.99
-
Express Delivery
DHL courier will deliver to the specified address
2-3 Working Days
From £9.99
-
Free 30-Day returns
Description
Corsair 850W RMx SHIFT Series RM850X PSU – Modular Power, Reimagined

Side-Mounted Cable Access for Seamless Builds
The Corsair RMx SHIFT Series RM850X redefines PSU installation with its unique side-mounted cable interface, allowing easier access to all your connections. This design simplifies cable management and enhances airflow, making it a dream solution for builders who value tidiness and efficiency. Fully modular micro-fit connectors mean you only use the cables you need—perfect for clean, professional-grade PC setups.

Gold Efficiency with Silent, Reliable Cooling
Backed by an 80 PLUS Gold rating and built with 100% Japanese electrolytic capacitors, this PSU delivers power with over 90% efficiency. A fluid dynamic 140mm fan, paired with Zero RPM mode support, keeps noise levels at a minimum while ensuring robust cooling under load. With ATX 3.0 certification, PCIe 5.0 support, and a 10-year warranty, the RM850X stands as a future-ready, long-lasting power solution.
| Form Factor | ATX |
| Series | Corsair RMx SHIFT |
| Wattage | 850 W |
| Modular | Fully Modular |
| Compatibility | ATX12V v2.53, EPS12V v2.92, Intel ATX 3.0 Certified |
| Connectors | 1 x 24-pin ATX (24-pin) 2 x ATX 12V/EPS12V (4+4-pin) 1 x PCIe 5 (12+4-pin) 12VHPWR 2 x PCIe (6+2-pin, dual) 2 x PCIe (6+2-pin) 12 x SATA (Straight) 8 x PATA |
| AC Input | 100 – 240V |
| Fan Type | 140mm fan, Supports Zero RPM fan mode |
| Fan Bearing | Fluid / Hydraulic Bearing |
| 80+ Certification | 80+ Gold |
| Efficiency | Up to 90% |
| MTBF | 100,000 hours |
| Additional Features | See Overview / Video |
| Weight/Dimensions | 1.7 kg, 160 x 150 x 86 mm |
| Package Weight | 3.4000 kg |
| Warranty | 10 Years |

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