A strong single +12V rail provides reliable power for modern gaming and performance components.
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Product description
Description and product details Overview, features, specifications, compatibility and FAQ
850W. CYBENETICS GOLD. ATX 3.1. PCIe 5.1. FULL MODULAR.
CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply — Black
The CORSAIR RM850e (2025) delivers quiet, efficient 850W power for modern gaming and performance systems. Its Cybenetics Gold efficiency rating, Intel ATX 3.1 certification, and PCIe 5.1 compatibility make it ready for current-generation CPUs and graphics cards.
A native 600W-capable 12V-2x6 cable, fully modular Type 4 cabling, 105°C-rated industrial-grade capacitors, resonant LLC topology with DC-to-DC conversion, and a compact 140mm chassis provide a clean, reliable foundation for enthusiast builds.
850Wcontinuous power
GoldCybenetics
600W12V-2x6 cable
High conversion efficiency helps lower wasted energy, heat, and cooling demand.
Modern power standards support demanding current and next-generation PC hardware.
A short PSU enclosure improves compatibility and leaves more room for cable routing.
Modern GPU Power
Native 600W 12V-2x6
Connect compatible high-performance graphics cards through a dedicated native 16-pin GPU power cable.
12V-2x6 Native Cable
A direct 12+4-pin GPU cable simplifies power delivery to compatible modern graphics cards.
Up to 600W
CORSAIR rates the included native cable for up to 600W of compatible GPU power delivery.
PCIe 8-Pin Support
Multiple traditional 6+2-pin PCIe connectors support a broad range of graphics hardware.
ATX 3.1 Certified
Formal ATX 3.1 certification addresses modern transient-load and reliability requirements.
Clean Cable Management
Fully Modular Type 4 Cabling
Fully Modular
Connect only the cables your system requires for cleaner routing and improved airflow.
Flexible Embossed Cables
Low-profile cable combs and flexible construction simplify routing inside modern cases.
Type 4 Cable System
CORSAIR's Type 4 modular interface supports the included modular cable set.
Compact Chassis
The 140mm-long housing leaves extra working room behind components and cable covers.
Quiet Cooling
120mm Rifle-Bearing Fan + Zero RPM
120mm Fan
A specially tuned fan curve balances PSU cooling with low acoustic output.
Cybenetics A Noise Rating
The RM850e is designed and independently rated for low-noise operation.
Zero RPM Mode
The cooling fan can stop at lower loads for near-silent operation.
Rifle Bearing
The 120mm rifle-bearing fan is designed for dependable, smooth long-term operation.
Technology & Reliability
105°C Capacitors + LLC / DC-to-DC
105°C Capacitors
Industrial-grade capacitors are rated to operate reliably at elevated temperatures.
Resonant LLC
Modern conversion topology delivers clean, consistent power across a broad range of loads.
DC-to-DC Conversion
DC-to-DC regulation supports stable lower-voltage rails and efficient system operation.
100,000-Hour MTBF
CORSAIR specifies a mean time between failures of 100,000 hours.
Modern 850W Gaming PSU
Key Features
✓850W continuous power output
✓Cybenetics Gold efficiency certification
✓Cybenetics A noise rating
✓Intel ATX 3.1 certified
✓PCIe 5.1 compatible
✓Native 600W-capable 12V-2x6 GPU cable
✓Fully modular Type 4 cable design
✓1 × 24-pin ATX connector
✓2 × EPS / ATX12V 4+4-pin connectors
✓3 × PCIe 6+2-pin connectors
✓6 × SATA connectors
✓2 × PATA connectors
✓120mm low-noise rifle-bearing fan
✓Zero RPM fan mode
✓105°C-rated industrial-grade capacitors
✓Resonant LLC topology with DC-to-DC conversion
✓Modern Standby support
✓Compact 140 × 150 × 86mm chassis
✓100,000-hour MTBF
✓7-year CORSAIR warranty
Power for Modern Builds
Perfect For
850W Gold Power
A generous power budget, high efficiency, and modern connectivity make it well suited to high-performance gaming systems.
600W 12V-2x6
Native next-generation GPU power simplifies compatible high-end graphics-card installations.
Zero RPM
Low-noise tuning and fan-stop operation reduce acoustic output during lighter workloads.
Fully Modular
Flexible modular cabling keeps unused wires out of the chassis for cleaner assembly.
Detailed Product Information
Technical Specifications
| Brand | CORSAIR |
| Series | RMe Series |
| Model | RM850e (2025) |
| Colour | Black |
| Continuous Power | 850W |
| Efficiency | Cybenetics Gold |
| Noise Rating | Cybenetics A |
| ATX Version | ATX12V 3.1 |
| PCIe Standard | PCIe 5.1 Compatible |
| Modular Design | Fully Modular |
| Cable Type | CORSAIR Type 4 |
| Native GPU Power | 1 × 12V-2x6 (12+4-pin), up to 600W |
| ATX Connector | 1 × 24-pin |
| EPS Connectors | 2 × 4+4-pin |
| PCIe 6+2-Pin | 3 connectors |
| SATA | 6 connectors |
| PATA | 2 connectors |
| Fan | 120mm Rifle Bearing |
| Zero RPM Mode | Yes |
| AC Input | 100–240V |
| Input Current | 10A–5A |
| Input Frequency | 47–63Hz |
| +12V Rail | 54.2A / 850W |
| Capacitors | 105°C-Rated Industrial Grade |
| Topology | Resonant LLC + DC-to-DC Conversion |
| Modern Standby | Yes |
| Dimensions | 140 × 150 × 86mm |
| MTBF | 100,000 Hours |
| Warranty | 7 Years |
Shop With Confidence
Why Buy From OPCBleu?
Quiet, Efficient Power for Modern Gaming Hardware.
The CORSAIR RM850e combines Gold-rated efficiency, ATX 3.1 certification, native 600W GPU power, compact dimensions, and fully modular cabling.
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Helpful Answers
FAQs
Is the CORSAIR RM850e fully modular?
Yes. Every DC cable is detachable, so you can connect only the cables required by your build.
Is the RM850e ATX 3.1 and PCIe 5.1 compatible?
Yes. CORSAIR lists this generation as Intel ATX 3.1 certified and PCIe 5.1 compatible.
Does it include a native 12V-2x6 cable?
Yes. The included native 12V-2x6 cable is rated by CORSAIR for up to 600W with compatible graphics cards.
Does the fan stop at low loads?
Yes. Zero RPM mode allows the 120mm fan to stop during lower-load operation for reduced noise.
What efficiency certification does it have?
The RM850e carries a Cybenetics Gold efficiency rating and Cybenetics A noise rating.
What warranty does CORSAIR provide?
CORSAIR provides a seven-year manufacturer warranty for this RM850e generation.
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