Corsair HX850i vs RM850x Power Supply Comparison

Corsair HX850i and Corsair RM850x are both power supplies with the same Wattage (850 W), Modular (Full) and Output (+3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5VS...). The main differences are in Efficiency, SATA Connectors and Molex Connectors.

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Corsair HX850i	Corsair RM850x
Prices (Change region) In Stock Free shipping $390.00	Prices (Change region) In Stock $219.98 Last updated 39 minutes ago. In Stock Free shipping $289.00
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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-9020093-NA CP-9020093-EU CP-9020093-UK
Release Date 📅 August 2014	Release Date 📅 September 2015
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (134 reviews) Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Graphics Cards ► Cases ►	Compatible PC parts Graphics Cards ► Cases ►
Wattage 850 W	Wattage 850 W
Type ATX	Type ATX
Modular Full	Modular Full
Efficiency 80+ Platinum	Efficiency 80+ Gold
Output +3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5VSB@3A	Output +3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5Vsb@3A
PCI-Express 16 Pin 12VHPWR Connectors 0	PCI-Express 16 Pin 12VHPWR Connectors 0
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 6
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 2	EPS Connectors 2
SATA Connectors 12	SATA Connectors 10
Molex Connectors 12	Molex Connectors 8
Length 180 mm	Length 180 mm