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Rosewill CMG5 1000W, ATX 3.0 & 3.1 Compatible, 80+ Gold Full Modular Power Supply, PCIe 5.0 600W 12V-2x6 Connector, 100% Japanese Electrolytic Capacitor, Eco Silent Mode, 120mm FDB Fans - CMG1000G5
Rosewill

Rosewill CMG5 1000W (CMG1000G5)

Bottom line: The Rosewill CMG5 1000W 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.

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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

  • ✓ PCIe 5.0 and ATX 3.0 & 3.1 Compatible
  • ✓ Backed by Rosewill's warranty and support channels

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

SpecPicks Verdict

SpecPicks scored Rosewill CMG5 1000W using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Rosewill'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

  • PCIe 5.0 and ATX 3.0 & 3.1 Compatible
  • Fully Modular 80 PLUS Gold Certified
  • Native 600W PCIe 5.0 / Gen 5 12+4 Pin 12V-2x6 Cable
  • Up to 235% Power Excursion & 300% GPU Power Excursion

Full Specifications

BrandRosewill
Wattage1000 watts
Model NameCMG1000G5
Form FactorATX
Model NumberCMG1000G5
Connector Typeatx,pcie
Cooling MethodAir
Number of Fans1
Output Wattage1000 watts
Item Dimensions11.4 x 9 x 4.6 inches
Mfr Part NumberCMG1000G5
Number of Items1
Compatible DevicesPersonal Computer
Power Supply DesignFull Modular
Warranty Description5 year manufacturer
Maximum Input Voltage240 volts
Minimum Input Voltage100 volts
Item dimensions L x W x H11.4 x 9 x 4.6 inches
System Bus Connector TypeATX
Connector Type Used on Cableatx,pcie
Full listing titleRosewill CMG5 1000W, ATX 3.0 & 3.1 Compatible, 80+ Gold Full Modular Power Supply, PCIe 5.0 600W 12V-2x6 Connector, 100% Japanese Electrolytic Capacitor, Eco Silent Mode, 120mm FDB Fans - CMG1000G5

Ready to buy?

Rosewill CMG5 1000W, ATX 3.0 & 3.1 Compatible, 80+ Gold Full Modular Power Supply, PCIe 5.0 600W 12V-2x6 Connector, 100% Japanese Electrolytic Capacitor, Eco Silent Mode, 120mm FDB Fans - CMG1000G5 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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