CORSAIR RMX Series RM550x vs CS Series CS450M Power Supply Comparison

CORSAIR RMX Series RM550x and Corsair CS Series CS450M 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 RMX Series RM550x	Corsair CS Series CS450M
Prices (Change region) Out of Stock Free shipping $99.99 Out of Stock $114.99 Out of Stock Free shipping $219.00 - Buy now Show 1 more offers	Prices (Change region) Out of Stock $89.99
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Brand Corsair	Brand CORSAIR
Model CP-9020177-NA CP-9020177-UK CP-9020177-EU	Model CS450M CP-9020075-UK CP-9020075-NA CP-9020075-EU
Release Date 📅 February 2018	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 550 W	Wattage 450 W
Type ATX	Type ATX
Modular Full	Modular Semi
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 2	PCI-Express 6+2 Pin Connectors 1
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 1	EPS Connectors 1
SATA Connectors 6	SATA Connectors 4
Molex Connectors 4	Molex Connectors 3
Length 160 mm	Length 139 mm