Price observed . Amazon shows the live price.
Amazon lists it at $169.99, 18% off. That figure is Amazon's, not a price we have recorded.
CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black
CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black
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The CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black was $139.99 when we checked it on 2026-10-12. That is the median of the 14 prices we have recorded for it.
CORSAIR RMx Series Fully Modular Low-Noise Power Supplies deliver quiet, dependable power with Cybenetics Gold efficiency to your PC. Fully modular, ultra-flexible embossed cables make PC builds easy, as you connect only the cables your system requires. Compliant with the ATX 3.1 power standard from Intel®, RMx PSUs have the connections needed to power today’s demanding PC hardware including a native 12V-2x6 connector. 100% Japanese 105°C-rated electrolytic capacitors deliver fantastic electrical performance, while a 140mm FDB fan provides low noise cooling. Backed by a ten-year warranty, RMx PSUs are the gold standard for many years to come.
Editor's note
This is my pick for build quality: all-Japanese 105C capacitors, 80+ Gold, and a 10-year warranty. That capacitor pedigree is the reason I'd trust it for the long haul.
CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black price history
14 weekly checks of our own, from 2026-06-26 to 2026-10-12. How our price tracking works
Lowest
$79.50
Jul 6, 2026
Typical
$139.99
median of 14 weekly checks
Highest
$149.99
Sep 7, 2026
Latest
$139.99
checked Oct 12, 2026
Newegg, 50 daily checks, latest $139.99 on Oct 13, 2026Amazon
Typical price is the median of the 14 weekly checks we have taken, not the manufacturer list price. Every discount figure on this site is measured against it.
Every observation (14)
| Date | Price | Source |
|---|---|---|
| Jun 26, 2026 | $94.14 | Weekly check |
| Jun 29, 2026 | $129.99 | Weekly check |
| Jul 6, 2026 | $79.50 | Weekly check |
| Jul 13, 2026 | $139.99 | Weekly check |
| Jul 20, 2026 | $139.99 | Weekly check |
| Jul 27, 2026 | $79.50 | Weekly check |
| Aug 3, 2026 | $85.69 | Weekly check |
| Aug 31, 2026 | $144.49 | Weekly check |
| Sep 7, 2026 | $149.99 | Weekly check |
| Sep 14, 2026 | $139.99 | Weekly check |
| Sep 21, 2026 | $139.99 | Weekly check |
| Oct 1, 2026 | $139.99 | Weekly check |
| Oct 5, 2026 | $139.99 | Weekly check |
| Oct 12, 2026 | $139.99 | Weekly check |
About this item
- Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs.
- Cybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures.
- ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes.
- Native 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection – no adapter necessary.
- Embossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze.
Details
- Compatible Devices
- Monitor
- Form Factor
- ATX
- Item Dimensions
- 2.3 x 3.39 x 5.91 inches
- Item Weight
- 3.9 pounds
- Model Name
- RMx
- Brand
- Corsair
- Model Number
- CP-9020270-NA
CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black: common questions
Is the CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black worth it?
This is my pick for build quality: all-Japanese 105C capacitors, 80+ Gold, and a 10-year warranty. That capacitor pedigree is the reason I'd trust it for the long haul. Its Amazon listing shows 4.8 out of 5 stars across 782 ratings, which is the retailer's figure and not our verdict.
How much does the CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black cost?
The CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black was $139.99 when we checked it on 2026-10-12. Amazon lists it at $169.99, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.
Is now a good time to buy the CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black?
At $139.99 the CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black is near the median of the 14 prices we have recorded for it. The lowest we have seen is $79.50 on 2026-07-06, so waiting for a repeat of that would save roughly $60.49.
What is the lowest price the CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black has been?
The lowest price on our record for the CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black is $79.50 on 2026-07-06, and the highest is $149.99 on 2026-09-07. That record is 14 weekly checks we took ourselves.
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