Corsair RM850e 3rd Gen ThermalProtect
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Corsair RM850e 3rd Gen ThermalProtect
The Corsair RM850e 3rd Gen ThermalProtect power supply provides stable and reliable power for modern PC builds and graphics cards. Meeting the strict ATX 3.1 and PCIe 5.1 standards, this power supply meets the demanding energy stability requirements of today's components. The Cybenetics Platinum certified design with a depth of just 140mm combines high efficiency, compact dimensions, and advanced safety features to protect your sensitive hardware from damage.
850W
Performance
ATX
Format
Cybenetics Platinum
Certification
Fully
Modularity
Key features of the Corsair RM850e 3rd Gen ThermalProtect power supply
- Delivers 850W of stable continuous power
- 105°C-rated capacitors increase overall reliability
- Reaches a high energy efficiency of 91%
- ThermalProtect technology protects the graphics card from overheating at the connector
- Zero RPM mode ensures completely silent operation at low loads
- Fully modular cables simplify cable management inside the case
Choosing a power supply
When choosing the right power supply, wattage is a key parameter alongside the form factor. It indicates the maximum number of Watts that the power supply can continuously deliver to the computer components. We recommend using an online calculator to calculate the optimum wattage based on your chosen components.
Advanced protection with ThermalProtect technology
Innovative ThermalProtect technology on the included native 12V-2×6 cable monitors operating temperatures directly at the graphics card connector. If it detects dangerous overheating, it activates overheat protection and disconnects the power, preventing hardware damage. A full suite of protection circuits is included, covering over-voltage, under-voltage, short-circuit, over-current, and over-power protection. High-quality electrolytic capacitors rated up to 105°C also increase operational reliability and show excellent thermal stability.
Power supply efficiency
Cybenetics Platinum certification confirms a high energy efficiency of 91% at typical loads. Higher efficiency reduces waste heat, power consumption, and the cooling demands of your entire build. A stable output voltage on the 12V rail with 70.8A of current powers even the most demanding overclocked processors and high-performance graphics cards on the market without voltage fluctuations.
Fully modular cabling
The fully modular design lets you connect only the cables your build actually needs. The package includes flexible cables with routing combs and a native connector for modern graphics cards without the need for adapters.
Silent power supply operation
Cooling is handled by a 120mm fan with an optimised blade curve for efficient heat dissipation. Zero RPM mode completely switches off the fan at low to medium loads, making the power supply work in total silence. The fan bearings and speed control keep noise levels low even during heavy loads, such as gaming or demanding rendering.
Compact dimensions for easy installation
With a depth of just 140mm, this unit ranks among the most compact power supplies in its performance class. The smaller dimensions free up space in the bottom of the case to tuck away excess cabling or mount liquid cooling. The standardised ATX form factor ensures compatibility with most standard PC cases on the market.
Modern hardware standards
The power circuit design handles the high peak power demands generated by modern processors and 50-series graphics cards. Support for Modern Standby enables fast wake times from sleep mode while maintaining low power consumption.
Reliable power without compromise
The total continuous output reaches 850W, providing plenty of headroom for gaming systems with a single high-performance graphics card. The power supply architecture efficiently distributes energy between individual rails and reduces losses. Safety systems constantly monitor power parameters to ensure high security for all connected components.
Connectors
- 1× ATX 24-pin
- 2× CPU 4+4-pin
- 3× PCI-E 6+2-pin
- 1× 12V-2×6 16-pin
- 6× SATA 15-pin
- 2× Molex 4-pin
Package contents
- Corsair RM850e 3rd Gen ThermalProtect PC power supply
- Power cable
- Modular power cables
- Cable ties
- Mounting screws
80 Plus certification on the European market
The 80 Plus certification provides an objective rating of power supply unit efficiency, giving you an easy and clear way to compare different models. The European market (using 230V mains voltage) features six levels of 80 Plus certification with specific requirements for PC power supplies. Higher energy efficiency primarily means lower power consumption.
| PSU load | Efficiency at 20% load | Efficiency at 50% load | Efficiency at 100% load |
|---|---|---|---|
| 80 PLUS | 82% | 85% | 82% |
| 80 PLUS Bronze | 85% | 88% | 85% |
| 80 PLUS Silver | 87% | 90% | 87% |
| 80 PLUS Gold | 90% | 92% | 89% |
| 80 PLUS Platinum | 92% | 94% | 90% |
| 80 PLUS Titanium | 94% | 96% | 94% |
Specifications
Performance and format
Equipment
Efficiency
Connectors
Cooling system
Dimensions
| Code: | UY006rm5t |
| Warranty: | 84 months |
| Links: | Producer's Website: |