ASRock PRO-650G vs Challenger CL-550B Power Supply Comparison

ASRock PRO-650G and ASRock Challenger CL-550B are both power supplies with the same Modular (No), PCI-Express 6+2 Pin Connectors (2) and EPS Connectors (1). The main differences are in Wattage and Efficiency.

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ASRock PRO-650G	ASRock Challenger CL-550B
Prices (Change region) In Stock Free shipping $49.99 Out of Stock $53.99	Prices (Change region) In Stock Free shipping $59.99 In Stock $64.99
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Brand ASRock	Brand ASRock
Model PRO-650G	Model CL-550B
Release Date -	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 650 W	Wattage 550 W
Type ATX	Type ATX
Modular No	Modular No
Efficiency 80+ Gold	Efficiency 80+ Bronze
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 2
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 1	EPS Connectors 1
SATA Connectors 4	SATA Connectors 4
Molex Connectors 2	Molex Connectors 2
Length 140 mm	Length 140 mm