RMe Series, RM850e, 850 Watt, ATX 3.1, PCIe 5.1, Cybenetics Gold Certified, Fully Modular Power Supply

The Corsair RMe Series RM850e 850W Fully Modular Low-Noise ATX Power Supply delivers reliable Cybenetics Gold/Platinum-rated power, ready for modern systems with ATX 3.1 certification and PCIe 5.1 compliance. With a dedicated native 12V-2x6 GPU power cable capable of 600W, fully modular Type 4 cabling, ultra-quiet 120mm rifle-bearing fan, 105°C industrial-grade capacitors, and Modern Standby support, this power supply provides consistent electrical performance with improved efficiency and minimal noise for enthusiast gaming and high-performance PCs.

Key Features:

>850W continuous power output on a single +12V rail for stable, reliable performance >Intel ATX 3.1 certified for formal compliance with high reliability and power efficiency standards >PCIe 5.1 compatible with native 12V-2x6 (16-pin) connector for modern and next-gen graphics cards >Supports 2x transient power excursions from GPU (600W on 12V-2x6 cable) >Cybenetics Platinum efficiency rating at 230V (up to 91.5% efficiency) >Cybenetics Gold efficiency rating at 115V (up to 90% efficiency) >80 PLUS Gold certified for lower power consumption and cooler temperatures >Cybenetics A noise rating for exceptionally quiet operation (15-25 dBA average) >Fully modular Type 4 cables allow you to connect only what you need for cleaner wiring and improved airflow >Ultra-flexible embossed cables with low-profile combs for sleek installation and easier cable management >120mm rifle-bearing fan with Zero RPM Mode for silent operation at low loads >Thermally controlled fan adjusts speed based on load for optimal cooling and minimal noise >Robust resonant LLC topology with DC-DC conversion for consistent, reliable power >105°C-rated industrial-grade capacitors for superb electrical performance and longevity >Modern Standby support with precise timings ensures extremely fast wake-from-sleep times and better low-load efficiency >Compact 140mm depth (ATX size) for improved cable management in standard cases >Comprehensive protection: Over Voltage, Under Voltage, Over Current, Over Power, Short Circuit, Over Temperature >100,000 hours MTBF (Mean Time Between Failures) for exceptional reliability >7-year manufacturer warranty with world-class CORSAIR support

Technical Specifications:

Model Number	CP-9020296-NA (US), CP-9020296-IN (India), CP-9020296-JP (Japan)
Internal Model	RPS0148
Part Number	75-004602
Brand	Corsair
Series	RMe Series (2025)
Color	Black
Wattage	850W (Continuous Power)
Form Factor	ATX
ATX Version	ATX 3.1 (Certified)
PCIe Version	PCIe 5.1 (Compatible)
Efficiency Certification (230V)	Cybenetics Platinum (up to 91.5% efficiency)
Efficiency Certification (115V)	Cybenetics Gold (up to 90% efficiency)
80 PLUS Certification	80 PLUS Gold
Noise Rating	Cybenetics A (15-25 dBA average)
Modularity	Fully Modular
Cable Type	Type 4 (Ultra-flexible embossed with low-profile combs)
AC Input Voltage	100-240V (Auto-ranging)
AC Input Current	10A @ 100V / 5A @ 240V
Frequency	47-63Hz
+3.3V Rail	20A (110W combined with +5V)
+5V Rail	20A (110W combined with +3.3V)
+12V Rail	Single +12V rail, 70.8A (850W)
+5Vsb Rail	3A (15W)
Cooling	120mm Rifle-Bearing Fan (HA1225H12SF-Z, Thermally controlled)
Zero RPM Mode	Yes (Fan stops at low loads)
Modern Standby	Yes (Fast wake-from-sleep, better low-load efficiency)
MTBF	100,000 hours
Capacitor Rating	105°C Industrial-Grade
Topology	Resonant LLC with DC-DC Conversion
OEM Manufacturer	HEC

Connectors:

ATX 24-Pin Connector	1 (650mm cable)
EPS 4+4-Pin Connector	2 (2 separate 700mm cables)
PCIe 6+2-Pin Connector	3 (2-3 cables, 640mm, 18AWG)
12V-2x6 PCIe 5.1 Connector (16-pin)	1 (640mm cable, 18-24AWG, 600W capable)
SATA Connector	6 (2 cables)
PATA (Molex) Connector	2 (1 cable)

Protection Features:

>Over Voltage Protection (OVP) >Under Voltage Protection (UVP) >Over Current Protection (OCP) >Over Power Protection (OPP) >Short Circuit Protection (SCP) >Over Temperature Protection (OTP)

Dimensions & Weight:

Dimensions (L x W x H)	140mm x 150mm x 86mm (5.5" x 5.9" x 3.4")
Depth	140mm (Compact for ATX)
Weight	2.93 kg (6.46 lbs)

Package Contents:

>CORSAIR RM850e Power Supply Unit >Fully Modular Cable Set (Type 4): >1x ATX 24-Pin Cable (650mm) >2x EPS 4+4-Pin Cables (700mm each) >2-3x PCIe 6+2-Pin Cables (640mm, multiple connectors) >1x 12V-2x6 PCIe 5.1 Cable (640mm, 600W) >2x SATA Power Cables >1x PATA (Molex) Power Cable >AC Power Cord >Cable Ties/Straps >Mounting Screws >User Manual >7-Year Warranty Card

Perfect for enthusiast gaming PCs, high-performance workstations, content creation builds, multi-GPU setups, Intel Core i7/i9 and AMD Ryzen 7/9 platforms, flagship GPU builds (RTX 40-series, RX 7000-series), systems requiring ATX 3.1/PCIe 5.1 compliance, quiet PC builds, and anyone seeking reliable, efficient, fully modular power delivery with next-gen GPU support and ample headroom. The Corsair RMe Series RM850e is a fully modular 850W ATX power supply formally certified to meet the Intel ATX 3.1 compliance standard, ensuring a high level of reliability and power efficiency for modern and future systems. With PCIe 5.1 compatibility and a native 12V-2x6 (16-pin) connector capable of delivering 600W, the RM850e is ready to power the latest and upcoming flagship graphics cards including NVIDIA RTX 40-series and AMD RX 7000-series GPUs, with support for 2x transient power excursions that next-gen flagship and enthusiast cards demand. Cybenetics Platinum certification at 230V delivers steady power output at up to 91.5% efficiency (Cybenetics Gold at 115V with up to 90% efficiency), also earning 80 PLUS Gold certification for reduced power consumption from the wall, generating less heat, and lowering electricity costs over time. The Cybenetics A noise rating ensures exceptionally quiet operation (15-25 dBA average noise output) thanks to the ultra-quiet 120mm rifle-bearing fan with Zero RPM Mode that stops completely at low loads for silent computing when your system is idle or under light use. The thermally controlled fan intelligently adjusts speed based on temperature and load with a specially calculated fan curve, ramping up only when needed to maintain optimal cooling while keeping noise to an absolute minimum even at full load. Fully modular Type 4 cabling allows you to connect only the cables your system needs, dramatically reducing cable clutter inside your case and promoting better airflow for improved cooling. Ultra-flexible embossed cables with low-profile combs make installation sleek and cable management easier than ever, even in tight spaces. For consistent, reliable power and superb electrical performance, the RM850e features a robust resonant LLC topology with DC-DC conversion and 105°C-rated industrial-grade capacitors that ensure long-term stability and dependable electrical performance even under sustained high loads. Modern Standby support with precise timings enables extremely fast wake-from-sleep times and better efficiency at low loads, perfect for systems that frequently sleep or hibernate. The compact 140mm depth (standard ATX size) ensures an easy fit in modern enthusiast PC cases while allowing improved cable management. Comprehensive protection circuitry guards against over voltage, under voltage, over current, over power, short circuits, and over temperature conditions, protecting both the PSU and your valuable components. With a robust 100,000-hour MTBF (Mean Time Between Failures) rating and backed by CORSAIR's industry-leading 7-year warranty with world-class support, the RM850e delivers peace of mind and reliable performance for years to come through multiple builds. Ideal for gaming builds with high-end CPUs and flagship GPUs, the RM850e provides ample power headroom, quiet operation, efficient performance, and next-gen compatibility. Upgrade to reliable, efficient, and whisper-quiet power with the Corsair RMe Series RM850e.