Corsair RM850e vs CMPSU-400CX Power Supply Comparison

Corsair RM850e and Corsair CMPSU-400CX are both power supplies with the same Length (140 mm). The main differences are in Wattage, Modular, Efficiency and PCI-Express 6+2 Pin Connectors.

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Corsair RM850e	Corsair CMPSU-400CX
Prices (Change region) Out of Stock Free shipping $129.99 Out of Stock Free shipping $129.99 Out of Stock + $14.99 Shipping $133.47 - Buy now Show 1 more offers	Prices (Change region) Out of Stock $59.99 - Buy now
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Brand Corsair	Brand Corsair
Model CP-9020249-NA CP-9020249-UK CP-9020249-AU CP-9020249-EU	Model CMPSU-400CX
Release Date 📅 August 2022	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User 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 400 W
Type ATX	Type ATX
Modular Full	Modular No
Efficiency 80+ Gold	Efficiency 80+
Output -	Output +3.3V@20A, +5V@20A, +12V@30A, -12V@0.8A, +5VSB@2.5A
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 3	PCI-Express 6+2 Pin Connectors 0
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 1
EPS Connectors 2	EPS Connectors 1
SATA Connectors 7	SATA Connectors 6
Molex Connectors 4	Molex Connectors 6
Length 140 mm	Length 140 mm