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Compare Corsair HX850i vs RM1000x SHIFT 2025

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  3. Corsair HX850i 🆚 CORSAIR RM1000x SHIFT 2025
Corsair HX850i and CORSAIR RM1000x SHIFT 2025 are both power supplies with the same EPS Connectors (2) and SATA Connectors (12). The main differences are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.
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Corsair HX850i 850W 80 PLUS Platinum Full Modular
Corsair HX850i
CORSAIR RM1000x SHIFT 2025 Fully Modular ATX Side Interface Native 12V-2x6 Cable ATX 3.1 & PCIe 5.1 105°C-Rated Capacitors Cybenetics Gold CP-9020300-NA
CORSAIR RM1000x SHIFT 2025
Prices
(Change region)
In Stock
Free shipping
$390.00
Prices
(Change region)
In Stock
$182.99
Last updated 34 minutes ago.
In Stock
Free shipping
$182.99
In Stock
$197.99
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Pangoly Score (How do we rate?)
95
Pangoly Score (How do we rate?)
-
Brand
Corsair
Brand
Corsair
Model
  • CP-9020073
  • CP-9020073-UK
  • HX850i
  • CMPSU-HX850i
  • CP-9020073-NA
  • CP-9020073-EU
Model
  • CP-9020300-NA
  • CP-9020300-EU
  • CP-9020300-UK
  • CP-9020300-AU
Release Date
📅 August 2014
Release Date
📅 November 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(134 reviews)
User reviews
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Wattage
850 W
Wattage
1000 W
Type
ATX
Type
ATX
Modular
Full
Modular
Full Shifted
Efficiency
80+ Platinum
Efficiency
-
Output
+3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5VSB@3A
Output
-
PCI-Express 16 Pin 12VHPWR Connectors
0
PCI-Express 16 Pin 12VHPWR Connectors
1
PCI-Express 12 Pin Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 6+2 Pin Connectors
6
PCI-Express 6+2 Pin Connectors
4
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
2
EPS Connectors
2
SATA Connectors
12
SATA Connectors
12
Molex Connectors
12
Molex Connectors
4
Length
180 mm
Length
160 mm

Comparison and key differences summary

Reasons to buy the Corsair HX850i:

  • +2 PCI-Express 6+2 Pin connectors available
  • +8 Molex connectors available

Buy now

Reasons to buy the CORSAIR RM1000x SHIFT 2025:

  • 53% cheaper, you can save $207.01
  • Newer Product, it was released around 11 years later
  • +150 Watts available

Buy now

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