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CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully Modular… competes with other Power Supplies products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Power Supplies category for alternatives.

CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully Modular Power Supply

Name: CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully Modular Power Supply
Brand: Unbranded
SKU: B01NARQ2QU
Price: 179.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-08-24

$179.99

Buy on Amazon — $179.99 Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-08-24. Price and availability subject to change.

Bottom line: The CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully Modular Power Supply is a niche pick — read recent reviews before buying in the power supplies category, priced around $179.99. Read recent reviews carefully before committing.

The Corsair HX Series gives you extremely tight voltages and virtually silent operation. With all Japanese capacitors, they're ideal for high performance PCs where reliability is essential. 80 PLUS Platinum efficiency reduces operating cost and excess heat, and together with the Zero RPM Fan Mode, gives you virtually silent operation.

SpecPicks Verdict

SpecPicks classifies CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully… as a niche pick — read recent reviews before buying in the power supplies category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ 80 plus Platinum runs cooler and uses less power than less efficient power supplies
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

80 plus Platinum runs cooler and uses less power than less efficient power supplies
Fully modular allows user to only use the cables they need for a cleaner looking build with better airflow
10-Year Backed by CORSAIR legendary technical support and customer service
135mm FDB fan with Zero RPM mode virtually silent operation at low loads
plus12V rail switch gives the user The choice of a single plus12V rail or multiple plus12V rails

Full Specifications

Brand	Corsair
Wattage	850 watts
Fan Size	13.5 centimeters
Model Name	hx series
Unit Count	1 Count
Form Factor	ATX
Model Number	CP-9020138-NA
Compatibility	Switch
Built-In Media	PSU (1)
Connector Type	ATX files
Cooling Method	Fan
Item Type Name	Computer Power Supply
Number of Fans	1
Output Wattage	850

Ready to buy?

CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully Modular Power Supply is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-08-24. Price and availability subject to change.