CORSAIR RM850x Shift 2025 vs Phanteks AMP Series 550W Power Supply Comparison

CORSAIR RM850x Shift 2025 and Phanteks AMP Series 550W are both power supplies with the same EPS Connectors (2). The main differences are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.

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CORSAIR RM850x Shift 2025	Phanteks AMP Series 550W
Prices (Change region) In Stock $149.99 Last updated 16 minutes ago. In Stock Free shipping $149.99 Out of Stock $161.99 In Stock Free shipping $169.99 Show 1 more offers	Prices (Change region) Out of Stock Free shipping $99.99 Out of Stock Free shipping $130.79 - Buy now
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Brand Corsair	Brand Phanteks
Model CP-9020299-NA CP-9020299-EU CP-9020299-UK CP-9020299-AU	Model PH-P550G_US01 PH-P550G_AU01 PH-P550G
Release Date 📅 November 2025	Release Date 📅 August 2019
* 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 550 W
Type ATX	Type ATX
Modular Full Shifted	Modular Full
Efficiency -	Efficiency 80+ Gold
PCI-Express 16 Pin 12VHPWR Connectors 1	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 4	PCI-Express 6+2 Pin Connectors 2
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 2	EPS Connectors 2
SATA Connectors 9	SATA Connectors 6
Molex Connectors 4	Molex Connectors 3
Length 160 mm	Length 140 mm