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CORSAIR RMi Series, RM850i, 850 Watt, Fully Modular Digital Power Supply, 80+ Gold Certified

CORSAIR RMi Series, RM850i, 850 Watt, Fully Modular Digital Power Supply, 80+ Gold Certified

Status: CORSAIR RMi Series: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

Bottom line: The CORSAIR RMi Series is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: Redragon RGMS-850W PRO 80+ Gold 850 Watt Power… — $65.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

Similar: ASUS TUF Gaming 850W Gold — $149.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

Similar: darkFlash PMT Fully Modular Power Supply ATX… — $89.99 on Amazon as of 2026-10-06 22:21 UTC (price may vary).

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

  • ✓ 80 PLUS Gold certified

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Corsair RMi series power supplies give you extremely tight voltage control, quiet operation, Gold-certified efficiency, and a fully modular cable set. Built with all Japanese 105 DegreeC capacitors, they're a great choice for high performance PCs where reliability is essential. 80 PLUS Gold efficiency reduces operating cost and excess heat, and Zero RPM fan mode ensures virtual silence at low and medium loads. Corsair Link Digital makes it easy monitor power supply performance, toggle single rail or multi rail mode, and control fan speed directly from your desktop. And, the fully modular DC…

SpecPicks Verdict

SpecPicks scored CORSAIR RMi Series using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Compare with similarly-priced alternatives in the power supplies category before committing. 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

  • 80 PLUS Gold certified
  • 105 DegreeC all Japanese capacitors for unwavering power and reliability
  • Multi-rail +12V is configurable to single rail
  • FDB 135mm fan with Zero RPM mode for ultra-low noise operation
  • Corsair Link monitoring and control
  • Ten year warranty: Your guarantee of reliable operation that will last across several system builds

Full Specifications

BrandCorsair
Wattage935 watts
Fan Size135 Millimeters
Model Namermi
Unit Count1.0 Count
Form FactorATX12V / EPS12V
Model NumberCP-9020083-NA
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage850.0
Item Dimensions15.4 x 8.9 x 5.9 inches
Mfr Part NumberCP-9020083-NA
Ten year warrantyYour guarantee of reliable operation that will last across several system builds
Compatible DevicesPersonal Computer
Power Supply DesignFull Modular
Maximum Input Voltage240 Volts (AC)
Minimum Input Voltage24 Volts
Item dimensions L x W x H15.4 x 8.9 x 5.9 inches
System Bus Connector TypeATX

Ready to buy?

Amazon shows no buyable offer for CORSAIR RMi Series at the last check. A similar in-stock product is Redragon RGMS-850W PRO 80+ Gold 850 Watt Power…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $65.99

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