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Corsair RM850e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black (Renewed)
Amazon Renewed

Amazon Renewed Corsair RM850e (2023) Fully Modular Low-Noise Power Supply

Bottom line: The Amazon Renewed Corsair RM850e Fully Modular Low-Noise Power Supply: Fully modular cabling, so you connect only the cables your build needs; main trade-off: renewed unit sold through Amazon Renewed, not a new retail-boxed Corsair PSU.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Fully modular cabling, so you connect only the cables your build needs
  • ✓ Intel ATX 3.0 certified with PCIe 5.0 support and transient power spike resistance
  • ✓ 80 Plus Gold efficiency, plus better low-load efficiency with Modern Standby
  • ✓ 120mm rifle bearing fan with a tuned fan curve to keep noise down at full load
  • ✓ 105°C-rated industrial-grade capacitors for steady electrical performance

Cons

  • ✗ Renewed unit sold through Amazon Renewed, not a new retail-boxed Corsair PSU
  • ✗ Corsair's seven-year warranty covers new units; check the listing for renewed coverage
  • ✗ Relies on PCIe 8-pin connectors; no native 12VHPWR cable listed in the details
  • ✗ Rifle bearing fan; no zero-RPM fan mode is listed in the product details

Manufacturer description

CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with 80 PLUS Gold efficiency to your PC. With ATX 3.0 and PCIe 5.0 compliance and an array of PCIe 8-pin power connectors, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance, backed by a seven-year warranty. Wake your computer faster and consume less power with support for the new Modern Standby sleep mode. Fully modular cables make PC builds easy, as you connect only the cables your system requires…

SpecPicks Verdict

SpecPicks scored Amazon Renewed Corsair RM850e Fully Modular Low-Noise Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Amazon Renewed's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key 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 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
  • Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
  • 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
  • Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.

Full Specifications

BrandCorsair
Wattage850 watts
Model NameRM850e
Unit Count1 Count
Form FactorATX
Keeps QuietA 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage850 watts
Item Dimensions5.91 x 5.51 x 3.39 inches
Number of Items1
Fully Modular PSUReliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.
Compatible DevicesPersonal Computer
Connector Quantity5
Power Supply DesignFull Modular
Warranty Description90-Days with purchase
Maximum Input Voltage264 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current
105°C-Rated CapacitorsDelivers steady, reliable power and dependable electrical performance.
Full listing titleCorsair RM850e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black (Renewed)

Ready to buy?

Corsair RM850e (2023) Fully Modular Low-Noise Power Supply - ATX 3.0 & PCIe 5.0 Compliant - 105°C-Rated Capacitors - 80 Plus Gold Efficiency - Modern Standby Support - Black (Renewed) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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