Corsair RM850x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Zero RPM Mode means an RM850x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM850x PSU has everything you need to power your high performance PC for years to come.
Corsair RM850x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Zero RPM Mode means an RM850x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM850x PSU has everything you need to power your high performance PC for years to come.
Corsair RMX Gold Fully Modular Power Supply 850 W
Corsair RM850x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Zero RPM Mode means an RM850x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM850x PSU has everything you need to power your high performance PC for years to come.
Corsair RM850x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Zero RPM Mode means an RM850x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM850x PSU has everything you need to power your high performance PC for years to come.
in 9 offers
The lowest price for Corsair RMX Gold Fully Modular Power Supply 850 W right now is $156.74 at eBay.com.au, compared across 8 retailers.
The all-time low was $81.30 on 15 Sept 2026 — today's price is 93% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 5 Nov 2026.
Last updated at 05/11/2026 13:03:57
Refurbished Corsair Rps0124 Rmx Series Power Supply Rm850x
Delivery $101.85
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Corsair RM850x Gold Modular 850W Power Supply
Corsair 850W 2021 RMX 80+ Gold Fully Modular 135mm FAN,ATX Power Supply, PSU, 10 Years Warranty CP-9020200-AU
Corsair 850W RMX 80+ Gold Fully Modular 135mm FAN ATX PSU 10 Years Warranty
Delivery $18
CORSAIR RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply
Delivery between Mon – Thu $20
Corsair 850W RMX 80+ Gold Fully Modular 135mm FAN,ATX Power Supply, PSU, 10 Years Warranty CP-9020180-AU [PC]
Delivery between 9–13 Nov $12.70
Corsair RM850x 2021 850W 80 Plus Gold Fully Modular ATX Power Supply
Delivery $11.99
850W Corsair RMx Series RM850x | 80+ Gold Kabelmanagement
Free delivery between 16–19 Nov
| 80 PLUS Rating | 80 PLUS Gold |
| Certifications | 80 PLUS Gold Certified |
| Protection Features | Undervoltage protection, Overvoltage protection, Short-circuit protection |
| Connectors | SATA |
| Modular | Yes |
Refurbished Corsair Rps0124 Rmx Series Power Supply Rm850x
Delivery $101.85
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Corsair RM850x Gold Modular 850W Power Supply
Corsair 850W 2021 RMX 80+ Gold Fully Modular 135mm FAN,ATX Power Supply, PSU, 10 Years Warranty CP-9020200-AU
Corsair 850W RMX 80+ Gold Fully Modular 135mm FAN ATX PSU 10 Years Warranty
Delivery $18
CORSAIR RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply
Delivery between Mon – Thu $20
| 80 PLUS Rating | 80 PLUS Gold |
| Certifications | 80 PLUS Gold Certified |
| Protection Features | Undervoltage protection, Overvoltage protection, Short-circuit protection |
| Connectors | SATA |
| Modular | Yes |
