Corsair
CORSAIR - RMe Series RM850e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply
Best power supply for high-performance gaming rigs and modern workstations.
Power your high-performance PC with the CORSAIR RMe Series RM850e. This 850-watt power supply boasts 80 PLUS Gold efficiency for reliable energy delivery. Its fully modular design ensures a clean build with simplified cable management. Engineered for quiet operation and ready for the latest hardware with ATX 3.1 and PCIe 5.1 support, it provides a stable foundation for demanding gaming rigs and workstations. Comprehensive protection features safeguard your valuable components, offering peace of mind for your system.
$124.99
Owner Satisfaction
4.6
/ 5
Category Rank
230
/ 1062
#230 in Computer Power Supplies
Price vs Category Average
-87%
Below average
Wattage
850
/ watts
Who it's for
- Gamers building systems with the latest high-performance graphics cards
- Budget-conscious users looking to minimize energy waste and heat
- PC builders prioritizing clean cable management and improved case airflow
Who should skip it
- Users seeking maximum long-term protection for their hardware investment
- Quiet-computing enthusiasts sensitive to fan noise under heavy loads
- Power users demanding top-tier components for maximum system longevity
Performance breakdown
Power Efficiency
80 PLUS Gold certification ensures minimal energy waste during heavy gaming loads.
Cable Management
Fully modular design keeps your PC interior clean and clutter-free.
Acoustic Performance
Engineered for near-silent operation even when pushing high-end hardware.
Future Compatibility
ATX 3.1 and PCIe 5.1 support handles the latest GPU power demands.
Component Protection
Comprehensive safety suite provides robust defense against unexpected electrical surges.
Build Versatility
Standard ATX form factor fits easily into most modern desktop cases.
Key Specs
Wattage
850 watts
Modularity
Fully modular
Energy Efficiency
80 PLUS Gold
ATX Version
ATX 3.0
Number of PCIe Connectors
3
Number of CPU Power Connectors
2
Cable Type
Flat
Power Factor Correction
Active PFC
Features
- Reliable 850W power output
- 80 PLUS Gold certified efficiency
- Fully modular for easy cable management
- Quiet, low-noise operation
- ATX 3.1 and PCIe 5.1 ready
- Comprehensive protection suite
- Sleek black design
What customers say
Customers highly value the CORSAIR RMe Series RM850e for its excellent design and modern features. The fully modular nature simplifies cable management, leading to cleaner PC builds. Users frequently note its quiet operation, with the fan remaining silent during typical use, making it ideal for low noise systems. A major draw is its future proofing, supporting ATX 3.1 and PCIE 5.1 standards for current hardware. The 80 PLUS Gold efficiency is also appreciated. While some find the included cables stiff, the overall consensus praises this power supply for its reliability, efficiency, and strong feature set, positioning it as a highly recommended choice for performance builds.
Know before you buy
A fully modular design means every cable can be detached from the power supply unit. You only plug in the cables your specific components require, which significantly reduces cable clutter inside your case and improves internal airflow.
Yes, the RM850e is ATX 3.1 and PCIe 5.1 ready. It includes the necessary power standards to support modern, high-performance GPUs that require the latest connection protocols.
The RM850e is engineered for low-noise operation. It features a specialized fan curve designed to keep the unit quiet under light loads and maintain a controlled acoustic profile even when your system is under heavy stress.
The 80 PLUS Gold rating certifies that this power supply operates at a minimum of 90% efficiency at 50% load. This means less energy is wasted as heat, resulting in lower electricity costs and a more stable power delivery to your components.
Yes, it includes a comprehensive protection suite that guards against over-voltage, under-voltage, over-power, short circuits, over-current, and over-temperature. These safety features are designed to protect your expensive hardware from unexpected electrical issues.
The RM850e comes with flat, low-profile cables. These are much easier to bend and route through tight spaces or behind your motherboard tray compared to traditional, bulky sleeved cables.
Still have a question?
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