CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully Modular Power Supply-Black (Renewed)
Status: CORSAIR HX 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 Amazon Renewed CORSAIR HX Series 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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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Similar: ASUS Prime 850W Gold — $127.77 on Amazon as of 2026-10-08 20:20 UTC (price may vary).
Similar: GOLDEN FIELD 850W SFX Power Supply - Fully… — $127.99 on Amazon as of 2026-10-08 04:16 UTC (price may vary).
Similar: Redragon RGMS-850W PRO 80+ Gold 850 Watt Power… — $65.99 on Amazon as of 2026-10-08 04:20 UTC (price may vary).
Pros & Cons
Pros
- ✓ 80 plus Platinum runs cooler and uses less power than less efficient power supplies
- ✓ Backed by Amazon Renewed'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 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 scored Amazon Renewed CORSAIR HX Series using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Amazon Renewed'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
- 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
- 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
- ZeroRPM mode for fanless operation at low loads and outstanding noise reduction
Full Specifications
| Brand | Corsair |
|---|---|
| Wattage | 850 watts |
| Model Name | HX850 |
| Unit Count | 1 Count |
| Form Factor | ATX |
| Compatibility | Switch |
| Connector Type | ATX |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 850 watts |
| Item Dimensions | 5.9 x 7.1 x 3.39 inches |
| Number of Items | 1 |
| Compatible Devices | Personal Computer |
| Warranty Description | 90-Days with purchase |
| Maximum Input Voltage | 264 volts_of_alternating_current |
| Item dimensions L x W x H | 5.9 x 7.1 x 3.39 inches |
| System Bus Connector Type | 24 Pin |
| Connector Type Used on Cable | ATX |
Ready to buy?
Amazon shows no buyable offer for CORSAIR HX Series at the last check. A similar in-stock product is ASUS Prime 850W Gold. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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