What are the alternatives to the CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – White?

CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – White competes with other Power Supplies & Cables products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Power Supplies & Cables category for alternatives.

CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – White

Name: CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – White
Brand: Unbranded
SKU: B0DZXLK5BY
Price: 134.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$134.99

As an Amazon Associate, SpecPicks earns from qualifying purchases.

🛒 See live eBay price Also on Amazon → Compare to similar power supplies & cables

*Price sourced from Amazon.com. Last updated 2026-08-23. Price and availability subject to change.

Bottom line: The CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – White is a niche pick — read recent reviews before buying in the power supplies & cables category, priced around $134.99. Compare close alternatives before committing.

CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, and an array of PCIe 8-pin power connectors, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance, backed by a seven-year warranty. With a 140mm-long casing that works with…

SpecPicks Verdict

SpecPicks scored CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – White using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies & cables category. Compare with similarly-priced alternatives in the power supplies & cables category before committing. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power supplies & cables 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

✓ 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

Fully Modular PSU: Reliable and efficient, low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs
Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting PCIe 5.1 platform withstands 2x transient power excursions from the GPU
Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load
105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance
Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency

Full Specifications

Brand	Corsair
Color	White
Model Name	CORSAIR RM850e
Unit Count	1 Count
Form Factor	ATX
Keeps Quiet	A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load
Model Number	CP-9020293-NA
Connector Type	ATX
Cooling Method	Air
Number of Fans	1
Output Wattage	850 watts
Item Dimensions	5.91 x 5.51 x 3.35 inches
Mfr Part Number	CP-9020293-NA
Number of Items	1
Fully Modular PSU	Reliable and efficient, low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs
Compatible Devices	Monitor
Power Supply Design	Full Modular
Warranty Description	7 Year Manufacturer
Maximum Input Voltage	240 volts_of_alternating_current
Minimum Input Voltage	100 volts_of_alternating_current

Ready to buy?

CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – White is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Last updated 2026-08-23. Price and availability subject to change.