Corsair HX Professional Series 750-Watt 80 Plus Certified Power Supply (CMPSU-750HX)

Name: Corsair HX Professional Series 750-Watt 80 Plus Certified Power Supply Compatible with Core i7 and Core i5 - CMPSU-750HX
Brand: Unbranded
SKU: B0029F21LK

Status: Corsair HX Professional Series 750-Watt 80 Plus…: Unavailable on Amazon as of 2026-10-07 04:34 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 HX Professional Series 750-Watt 80 Plus Certified Power Supply: Single +12V rail simplifies GPU wiring and avoids per-rail load balancing; main trade-off: efficiency claims conflict: features list 80 PLUS Gold, product name says 80 PLUS.

Unavailable on Amazon as of 2026-10-07 04:34 UTC

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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).

View Current Price — $54.99

Similar: Redragon PSU015 80+ Platium 750 Watt SFX Fully… — $94.99 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

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Similar: GamePower Gp-750 PC Power Supply Unit: 750W — $54.00 on Amazon as of 2026-10-06 16:27 UTC (price may vary).

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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

✓ Single +12V rail simplifies GPU wiring and avoids per-rail load balancing
✓ 140mm double ball-bearing fan varies speed with temperature for low-noise operation
✓ Fully modular cables let you omit unused leads and cut case clutter
✓ Rated to hold full 750W output at a server-grade 50C ambient
✓ OVP, UVP, OCP and short-circuit protection built in across all rails

Cons

✗ Efficiency claims conflict: features list 80 PLUS Gold, product name says 80 PLUS
✗ Older HX platform predates ATX 3.x and 12VHPWR native connectors
✗ No listed brand field in the catalog row; verify seller authenticity
✗ 750W leaves little headroom for a 400W+ flagship GPU plus overclocked CPU

Manufacturer description

Enthusiasts looking for the optimal in price performance PSU technology will find the Corsair HX series of PSUs will meet even the most demanding of required specifications. The Corsair HX 750W power supply is engineered using advanced technology and components typically found with high performance power supplies. With design features such as a dedicated, single +12V rail, the HX series offers the maximum compatibility with the latest system components. Energy efficient circuitry capable of delivering greater than 80% efficiency ratings across 20%, 50%, and 100% load conditions make the HX…

SpecPicks Verdict

SpecPicks scored Corsair HX Professional Series 750-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. 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

A dedicated single + 12 V rail offers simple configuration and maximum compatibility with the graphics cards and other components
An ultra-quiet, 140 mm double ball-bearing fan delivers excellent airflow with exceptionally low noise levels by varying fan speed in response to temperature
80 PLUS Gold certified, delivering up to 90% energy efficiency under real-world load conditions
Active Power Factor Correction (PFC) with PF value of 0.99
Over-Voltage, Under-Voltage, Over-Current, And Short Circuit Protection Provide Maximum Safety For Your Critical System Components
Engineered To Meet Maximum Power Output At A Server-Grade 50 Degree Temperature Rating

Full Specifications

Brand	Corsair
Wattage	750 watts
Fan Size	14 centimeters
Fan Count	1
Model Name	CMPSU-750HX
Unit Count	1 Count
Form Factor	ATX12V / EPS12V
Model Number	CMPSU-750HX
Connector Type	ATX, EPS
Cooling Method	Air
Number of Fans	1
Item Dimensions	7.09 x 5.9 x 3.4 inches
Mfr Part Number	CP-9020031-NA
Number of Items	1
Compatible Devices	server
Warranty Description	5 Year Warranty
Item dimensions L x W x H	7.09 x 5.9 x 3.4 inches
System Bus Connector Type	ATX12V
Connector Type Used on Cable	ATX, EPS
Global Trade Identification Number	00843591004251
Full listing title	Corsair HX Professional Series 750-Watt 80 Plus Certified Power Supply Compatible with Core i7 and Core i5 - CMPSU-750HX

Ready to buy?

Amazon shows no buyable offer for Corsair HX Professional Series 750-Watt 80 Plus… 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