Corsair CS Series CS450M vs RMX Series RM650x Power Supply Comparison

Corsair CS Series CS450M and CORSAIR RMX Series RM650x are both power supplies with the same Efficiency (80+ Gold) and EPS Connectors (1). The main differences are in Wattage, Modular, PCI-Express 6+2 Pin Connectors and SATA Connectors.

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Corsair CS Series CS450M	CORSAIR RMX Series RM650x
Prices (Change region) Out of Stock $89.99	Prices (Change region) In Stock Free shipping $214.80
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Brand CORSAIR	Brand Corsair
Model CS450M CP-9020075-UK CP-9020075-NA CP-9020075-EU	Model CP-9020178-NA CP-9020178-UK CP-9020178-EU
Release Date -	Release Date 📅 February 2018
* 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 450 W	Wattage 650 W
Type ATX	Type ATX
Modular Semi	Modular Full
Efficiency 80+ Gold	Efficiency 80+ Gold
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 1	PCI-Express 6+2 Pin Connectors 4
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 1	EPS Connectors 1
SATA Connectors 4	SATA Connectors 9
Molex Connectors 3	Molex Connectors 4
Length 139 mm	Length 160 mm