SeaSonic G-550 vs S12III 550 SSR-550GB3 550W Power Supply Comparison

SeaSonic G-550 and Seasonic S12III 550 SSR-550GB3 550W are both power supplies with the same Wattage (550 W), PCI-Express 6+2 Pin Connectors (2) and EPS Connectors (1). The main differences are in Modular, Efficiency, Molex Connectors and Length.

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SeaSonic G-550	Seasonic S12III 550 SSR-550GB3 550W
Prices (Change region) - Buy now	Prices (Change region) In Stock Free shipping $139.00
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Pangoly Score (How do we rate?) 92	Pangoly Score (How do we rate?) -
Brand SeaSonic	Brand Seasonic
Model SSR-550RM	Model SSR-550GB3
Release Date 📅 October 2012	Release Date 📅 January 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (148 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 ►
Pros 80PLUS Gold Excellent voltage stability Excellent ripple suppression Modular Quiet	Pros -
Cons Cables may be a bit short	Cons -
Wattage 550 W	Wattage 550 W
Type ATX	Type ATX
Modular Semi	Modular No
Efficiency 80+ Gold	Efficiency 80+ Bronze
Output +3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5VSB@2.5A	Output -
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 6	SATA Connectors 6
Molex Connectors 5	Molex Connectors 3
Length 160 mm	Length 140 mm