CORSAIR RM850x Shift 2025 vs EVGA 550 B3 Power Supply Comparison

The main differences between CORSAIR RM850x Shift 2025 and EVGA 550 B3 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	EVGA 550 B3
Prices (Change region) In Stock $129.99 Last updated 30 minutes ago. In Stock Free shipping $129.99 In Stock $140.49 In Stock Free shipping $169.99 Show 1 more offers	Prices (Change region) Out of Stock Free shipping $700.91 - Buy now
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Brand Corsair	Brand EVGA
Model CP-9020299-NA CP-9020299-EU CP-9020299-UK CP-9020299-AU	Model 220-B3-0550-V1 220-B3-0550-V3 220-B3-0550-V2
Release Date 📅 November 2025	Release Date 📅 September 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 850 W	Wattage 550 W
Type ATX	Type ATX
Modular Full Shifted	Modular Full
Efficiency -	Efficiency 80+ Bronze
Output -	Output +3.3V@20A, +5V@20A, +12V@45.8A, +5Vsb@3A, -12V@0.5A
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 1
SATA Connectors 9	SATA Connectors 6
Molex Connectors 4	Molex Connectors 3
Length 160 mm	Length -