Corsair

Corsair Professional Series 650-Watt 80 Plus Certified Power Supply (CMPSU-650HX)

Name: Corsair Professional Series 650-Watt 80 Plus Certified Power Supply compatible with and Platforms - CMPSU-650HX
Brand: Corsair
SKU: B002LVUPZQ

Status: Corsair Professional Series 650-Watt 80 Plus…: Unavailable on Amazon as of 2026-10-07 04:23 UTC. 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.

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Bottom line: The Corsair Professional Series 650-Watt 80 Plus Certified Power Supply 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 2026-10-07 04:23 UTC

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Currently unavailable on Amazon. Not the same product — 2 in-stock alternatives:

Similar: Segotep 650W ATX Power Supply — $49.99 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

View Current Price — $49.99

Similar: GOLDEN FIELD 650W Power Supply 80+ Gold Full… — $56.99 on Amazon as of 2026-10-06 22:21 UTC (price may vary).

View Current Price — $56.99

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

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. About the author →

Pros & Cons

Pros

✓ Universal AC input 90~264V automatically scans and detects the correct voltage
✓ Backed by Corsair'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

Manufacturer description

The Corsair Professional HX650W modular power supply delivers 650 Watts of clean, continuous power. The high-efficiency design reduces electricity usage and minimizes as much heat generation as possible. Enthusiasts looking for the optimal price to performance PSU technology will find the Corsair 650HX will meet even the most demanding of required specifications. With design features such as a dedicated, single +12V rail, and Flat, low-profile modular cables allow for easy cable routing and increased airflow, the HX series offers the maximum compatibility with the latest system components…

SpecPicks Verdict

SpecPicks scored Corsair Professional Series 650-Watt 80 Plus Certified Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Corsair'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

Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety for your critical system components
105 Degree C rated industrial grade capacitors provide uncompromised performance and reliability, delivering 4 times the lifespan of conventional 85 Degree C rated capacitors
Double forward switching circuitry design offers high efficiency, up to 85% under typical load range
Active Power Factor Correction with PF value up to 0.99 provides clean and reliable power to your system
Universal AC input 90~264V automatically scans and detects the correct voltage

Full Specifications

Brand	Corsair
Wattage	650 watts
Fan Size	12 centimeters
Fan Count	1
Model Name	CMPSU-650HX
Model Number	CMPSU-650HX
Cooling Method	Air
Number of Fans	1
Item Dimensions	3.4 x 5.9 x 5.9 inches
Mfr Part Number	CMPSU-650HX
Compatible Devices	Personal Computer
Warranty Description	7 Year Warranty
Maximum Input Voltage	264 volts
Minimum Input Voltage	90 volts
Item dimensions L x W x H	3.4 x 5.9 x 5.9 inches
Global Trade Identification Number	00843591005425
Full listing title	Corsair Professional Series 650-Watt 80 Plus Certified Power Supply compatible with and Platforms - CMPSU-650HX

Ready to buy?

Amazon shows no buyable offer for Corsair Professional Series 650-Watt 80 Plus… at the last check. A similar in-stock product is Segotep 650W ATX Power Supply. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $49.99