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Corsair CX-M Series, CX450M, Modular Power Supply, 80 Plus Bronze

Corsair CX-M Series, CX450M, Modular Power Supply, 80 Plus Bronze

Status: Corsair CX-M 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 CX-M Series: 80 PLUS Bronze certified for efficient power and lower operating temps; main trade-off: semi-modular only — 24-pin and EPS main cables are fixed, not detachable.

Unavailable on Amazon as of

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

Similar: CORSAIR CX750 80 Plus Bronze Non Modular… — $54.99 on Amazon as of 2026-10-06 22:26 UTC (price may vary).

Similar: ARESGAME AGV Series 500W Power Supply — $37.99 on Amazon as of 2026-10-06 22:22 UTC (price may vary).

Similar: ARESGAME AGV Series 650W Power Supply — $46.99 on Amazon as of 2026-10-06 12:20 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 Bronze certified for efficient power and lower operating temps
  • ✓ Semi-modular cabling lets you connect only the cables you need
  • ✓ Japanese 105°C-rated capacitors for consistent, reliable power
  • ✓ Rifle bearing fan runs quieter and lasts longer than sleeve fans

Cons

  • ✗ Semi-modular only — 24-pin and EPS main cables are fixed, not detachable
  • ✗ 80 PLUS Bronze trails Gold and Platinum units on efficiency
  • ✗ 750W ceiling limits headroom for high-end multi-GPU or future upgrades
  • ✗ Fan is always-on with no zero-RPM idle mode

Manufacturer description

CORSAIR CX-M Series Low-Noise Power Supplies offer 80 PLUS Bronze efficiency and semi-modular cabling for reliable, low-noise operation. With single EPS12V cables and two/four PCIe 8-pin power connectors, CX-M PSUs have all the connections needed to power today’s most demanding PC upgrades. Japanese 105°C-rated capacitors deliver superb electrical performance for your system, backed by a five-year warranty.

SpecPicks Verdict

SpecPicks scored Corsair CX-M 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

  • Low-noise operation lets you focus more on the task at hand, whether it’s gaming or work. A rifle bearing fan ensures longer life than conventional bearings with less noise.
  • Semi-modular cabling with single EPS12V connectors lets you connect only the cables you need for a clean build with easy cable management.
  • Japanese capacitors deliver consistent and reliable power, rated up to 105°C.
  • 80 PLUS Bronze certification guarantees more efficient power use and lower operating temperatures.
  • Robust DC-DC conversion for +3.3V and +5V provides clean, consistent power to all components and peripherals.
  • At just 140mm long, the CX-M Series offers great flexibility in build configurations.

Full Specifications

BrandCorsair
Wattage450 watts
Fan Size14 centimeters
Model NameCX450M
Form FactorATX
Model NumberCP-9020219-NA
Connector Typepcie
Cooling MethodAir
Number of Fans1
Output Wattage450
Item Dimensions5.91 x 5.51 x 3.39 inches
Mfr Part NumberCP-9020219-NA
Compatible DevicesPersonal Computer
Connector Quantity2
Power Supply DesignFull Modular
Warranty Description5 year
Maximum Input Voltage240 volts
Minimum Input Voltage100 volts_of_alternating_current
Item dimensions L x W x H5.91 x 5.51 x 3.39 inches
System Bus Connector Type8 Pin

Ready to buy?

Amazon shows no buyable offer for Corsair CX-M Series at the last check. A similar in-stock product is CORSAIR CX750 80 Plus Bronze Non Modular…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $54.99

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