CORSAIR RM850e 2025 Fully Modular PSU (ATX 3.1, PCIe 5.1)

Corsair ★ 3.7/5 · ItemOracle Score Mid-Range

$145 USD
Price subject to change
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CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable  ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105C-Rated Capacitors, Modern Standby Mode  Black

Fully modular power supply with low-noise operation and ATX 3.1 compliance. GPU transient support and 120mm rifle-bearing fan for quiet cooling. One customer notes quiet operation and solid power delivery

Highlights

  • ATX 3.1 certified
  • PCIe 5.1 platform support
  • low-noise, modulated fan curve

Pros

  • fully modular cabling
  • low-noise operation
  • ATX 3.1 and PCIe 5.1 compliant
  • 120mm rifle bearing fan with quiet curve
  • 2x PCIe transient power support

Cons

  • mixed feedback on included cables
  • some durability concerns reported by users

Best For

  • high-performance gaming PC
  • workstation with GPU-heavy workloads
  • quiet-build PC
  • systems needing PCIe 5.1 support
  • multi-GPU setups requiring transient power readiness

Features

  • Fully Modular PSU Reliable and efficient
  • low-noise power supply with fully modular cabling
  • so you only have to connect the cables your system build needs.
  • Intel ATX 3. 1 Certified Compliant with the ATX 3. 1 power standard
  • supporting PCIe 5. 1 platform withstands 2x transient power excursions from the GPU.
  • Keeps Quiet A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down
  • even when operating at full load.
  • 105C-Rated Capacitors Delivers steady

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