Specifications
- Wattage
- 850 Watts
- Efficiency
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Type
- 120mm rifle bearing fan
- Zero RPM Mode
- Yes
- Input Voltage
- 100V‑240V AC
- Input Current
- 10A‑5A
- Frequency
- 47~63Hz
- +3.3V Max Output
- 20A (150W)
- +5V Max Output
- 20A
- +12V Max Output
- 70.8A (850W)
- -12V Max Output
- 0.3A (3.6W)
- +5Vsb Max Output
- 3A (15W)
- ATX Connector Count
- 1
- ATX12V Version
- 2.53
- PATA Connectors
- 4
- SATA Connectors
- 7
- MTBF Hours
- 100,000 hours
- Warranty
- 7 Year
- Weight
- 2 kg
- Dimensions (mm)
- 140×150×86 mm
- Modern Standby
- Yes
- Cable Type
- Type 4
- Series
- RMe Series
- Model
- RPS0147
- Part No.
- CP-9020249/75‑005036
- Resonant LLC Topology
- Yes
- DC‑DC Conversion
- Yes
- Industrial‑Grade Capacitors (105°)
- Yes
- Dual 8‑Pin EPS12V Connectors
- Yes
- Universal 8‑Pin Connectors
- Five
- 24‑PIN ATX Cable Length
- 610 mm ±10 mm
- 8‑Pin EPS/ATX12V Cable Length
- 650 mm ±10 mm
- PCIe 8‑Pin (6+2)/(6+2) Cable Total Length
- 750 mm ±10 mm
- SATA Straight Cable Length
- 700 mm ±10 mm
- SATA Right Angle Cable Length
- 800 mm ±10 mm
- PATA Cable Length
- 750 mm ±10 mm
Photos
What reviewers say
Tom’s Hardware reviews the Corsair RM850 as a solid‑value power supply, noting good performance and quiet operation at a reasonable price. The verdict cautions that buyers should only consider it if the street price is significantly lower than the higher‑end RM850x model.
www.tomshardware.com ↗
The review praises the Corsair RM850e for its high efficiency (Gold‑rated at 88–91 % depending on voltage), low noise (20–25 dBA), and robust build quality. The author highlights the modern ATX 3.1/PCIe 5.1 compliant connectors, fully modular cabling with flat combs, a compact 140 mm depth that fits many cases, and a quiet 120 mm rifle‑bearing fan that stays low‑speed under load. Overall, the unit is presented as a reliable, future‑proof power supply suitable for gaming or workstation builds.
www.igorslab.de ↗
The KitGuru review gives the Corsair RM850e a solid 8/10 score, praising its fully modular design, high efficiency (up to 90% at 12V‑2×6), low‑noise fan profile, and modern features such as zero‑RPM mode and 105 °C capacitors. The reviewer notes that while the unit is well‑built and quiet, it falls short of flagship models in terms of warranty length (7 years versus up to 12 on some platinum units) and acknowledges a modest price difference compared with the 750W sibling.
www.kitguru.net ↗
Our take
Based on 3 reviews
All 3 reviews agree the Corsair RM850e delivers high efficiency and quiet operation, making it a solid-value choice for builders. Tom’s Hardware, Igor’s Lab, and KitGuru all praise its Gold rating, low noise, and fully modular design as key strengths for gaming or workstation use. Igor’s Lab specifically highlights its ATX 3.1 compliance and compact depth, while KitGuru notes the 105°C capacitors and zero-RPM mode as valuable features for long-term reliability.
However, reviewers split on its value proposition relative to competitors. Tom’s Hardware and KitGuru caution that buyers should only consider it if the price is significantly lower than the higher-end RM850x, citing the 7-year warranty as modest compared to 12-year flags. This suggests the RM850e is best for budget-conscious builders who prioritize efficiency and silence over maximum warranty coverage.
Pros
- 80 PLUS Gold efficiency up to 91%
- Quiet 120mm rifle bearing fan
- Fully modular cabling with flat combs
- Zero RPM mode for silent operation
Cons
- 7-year warranty shorter than flagship rivals
- Value depends on price vs RM850x
Best for: Budget-conscious builders seeking efficient, quiet power; those wanting flagship warranties should look elsewhere.
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