CORSAIR RM1000x SHIFT 2025 vs SeaSonic M12II-620 Power Supply Comparison

CORSAIR RM1000x SHIFT 2025 and SeaSonic M12II-620 are both power supplies with the same PCI-Express 6+2 Pin Connectors (4) and Length (160 mm). The main differences are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and EPS Connectors.

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CORSAIR RM1000x SHIFT 2025	SeaSonic M12II-620
Prices (Change region) In Stock Free shipping $182.99 In Stock $197.99 In Stock Free shipping $209.99 - Buy now Show 1 more offers	Prices (Change region) - Buy now
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Pangoly Score (How do we rate?) -	Pangoly Score (How do we rate?) 89
Brand Corsair	Brand SeaSonic
Model CP-9020300-NA CP-9020300-EU CP-9020300-UK CP-9020300-AU	Model SS-620GM2
Release Date 📅 November 2025	Release Date 📅 July 2011
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (91 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 ►
Pros -	Pros Excellent DC Output Quality Quiet Good build quality 80 PLUS Bronze, but efficient as much as a Silver Modular
Wattage 1000 W	Wattage 620 W
Type ATX	Type ATX
Modular Full Shifted	Modular Full
Efficiency -	Efficiency 80+ Bronze
Output -	Output +3.3V@24A, +5V@24A, +12V1@24A, +12V2@24A, -12V@0.8A, +5VSB@2.5A
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 4
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 2	EPS Connectors 1
SATA Connectors 12	SATA Connectors 8
Molex Connectors 4	Molex Connectors 5
Length 160 mm	Length 160 mm