Seasonic S12II 620 vs Lian Li RB750 Power Supply Comparison

Seasonic S12II 620 and Lian Li RB750 are both power supplies with the same Modular (No) and Efficiency (80+ Bronze). The main differences are in Wattage, PCI-Express 16 Pin 12VHPWR Connectors, PCI-Express 6+2 Pin Connectors and EPS Connectors.

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Seasonic S12II 620	Lian Li RB750
Prices (Change region) Out of Stock $64.99 - Buy now	Prices (Change region) In Stock $69.90 Last updated 31 minutes ago. In Stock Free shipping $69.99 In Stock $69.99
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Brand Seasonic	Brand Lian Li
Model S12II 620 Bronze SS-620GB SS-620GB F3	Model RB0750B G9P.RB0750B.B000 G9P.RB0750B.B000.EU
Release Date 📅 February 2010	Release Date 📅 October 2025
* 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 620 W	Wattage 750 W
Type ATX	Type ATX
Modular No	Modular No
Efficiency 80+ Bronze	Efficiency 80+ Bronze
PCI-Express 16 Pin 12VHPWR Connectors 0	PCI-Express 16 Pin 12VHPWR Connectors 1
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 3
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 1	EPS Connectors 2
SATA Connectors 8	SATA Connectors 5
Molex Connectors 4	Molex Connectors 2
Length 140 mm	Length 150 mm