Corsair
Power Supply
Corsair RM850 850 W 80+ Gold
Key Features
Fully Modular
Zero RPM Mode
High Efficiency
MSRP:
$149
Technical Specifications
Manufacturer
Corsair
MSRP
$149
Type
ATX
Wattage
850 W
Efficiency Rating
80 PLUS Gold
Modular
Yes
Color
White / Black
Fanless
No
Dimensions
160mm x 150mm x 86mm
Length
160 mm
Connectors
Atx 4 Pin: 0 • Eps 8 Pin: 3 • Pcie 16 Pin 12Vhpwr: 0 • Pcie 12 Pin: 0 • Pcie 8 Pin: 0 • Pcie 6 Plus 2 Pin: 4 • Pcie 6 Pin: 0 • Sata: 14 • Amp Molex 4 Pin: 4
Release Year
2024
Pros & Cons
Pros
- Excellent 850W capacity for high-end gaming with RTX 4080/4090 class GPUs
- Provides comfortable headroom for overclocking
- Fully modular design enables custom cable configurations
- Reduces cable clutter and improves airflow significantly
- Good 80 PLUS Gold efficiency provides reliable power delivery
- Premium brand known for exceptional build quality and reliability
- Extensive 14 SATA connectors support multiple storage drives
- Standard ATX size fits most cases with good availability
Cons
- Lacks PCIe 5.0 connector despite recent release date
- Longer 160mm depth may not fit in compact cases
Community Insights
- Many users frequently praise the RM850 for its stable and reliable power output, even in demanding gaming or workstation builds. The unit’s quiet operation—thanks to its high-quality fan and efficient components—is a standout feature in user discussions, making it a go-to choice for those prioritizing a silent PC experience.
- A common positive topic is the fully modular cable setup, which users love for simplifying cable management and improving airflow. The included cables are noted for being flexible and of good quality, making the build process easier and resulting in a cleaner finished system.
Frequently Asked Questions
Is the Corsair RM850 compatible with RTX 40 series and other high-end GPUs?
Yes, the RM850 is fully capable of powering high-end GPUs, including many RTX 40 series cards. However, users should ensure their specific GPU’s power requirements (especially if a 12VHPWR connector is needed for some models) are met, as older RM850 versions may not include native 12VHPWR cables.
What is the warranty period for the Corsair RM850?
The Corsair RM850 typically comes with a 10-year warranty, often highlighted by users as a strong reason for choosing this PSU due to Corsair’s reputation for excellent customer support and RMA service.
Performance Guide & Use Cases
Best For
High-end gaming with RTX 4080/4090 class GPUs (850W)
Content creation and workstation builds (850W)
Standard ATX builds and mainstream systems
Custom cable management and clean builds (modular)
Enthusiast builds prioritizing airflow optimization
Multi-drive storage configurations (14 SATA)
Potential Bottlenecks
No PCIe 5.0 support limits newest GPU compatibility
Overkill Scenarios
Budget gaming systems with entry-level GPUs (850W)
Office productivity without high-performance components (850W)
Basic web browsing and document editing systems
Media streaming and light productivity tasks
Avoid For
Next-generation GPUs requiring PCIe 5.0 connectors
Mini-ITX and compact case builds (ATX too large)
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