Sold by: Newegg
  • $94.99
  • $74.99
  • Save: $20.00 (21%)
  • $7.99 Shipping
Add To Wish ListFound on 37 wish lists

Best Sellers

1,901 (81% Positive)
  • $101.99

Are you an E-Blast Insider?

Get Educated

Make informed decisions with expert advice. Learn More

Seasonic S12III 550 SSR-550GB3 550W 80+ Bronze, ATX12V & EPS12V, Direct Output, Smart & Silent Fan Control, 5 yr Warranty Power Supply

In stock.
Ships from Canada.
  • 500W
  • 550W
  • 650W
  • Intel ATX 12 V
  • Non-Modular
  • 80 PLUS BRONZE Certified
  • 100 - 240 V 50/60 Hz
  • +3.3V@20A, +5V@20A, +12V@45.5A, -12V@0.3A, +5VSB@2.5A
Seasonic USA

SeaSonic S12III SSR-550GB3

Built with premium components and advanced technology, the S12III series power supplies deliver robust, stable output for a mainstream system or gaming rig. It achieves 80 PLUS Bronze standard, resulting in less heat generation, less power waste and therefore reduced power cost on your energy bill. Comprehensive protection mechanism including OPP, OVP, UVP and SCP provides solid protection for system components. Its 120mm fan uses sleeve bearing and features Smart and Silent Fan Control (S2FC) for the perfect balance between operation noise and cooling performance, so you can game, work and surf with great peace of mind.

Available in 450W/500W/550W/650W to meet the requirement of various setups.

Seasonic USA

High Efficiency, 80 PLUS Bronze Certified

Seasonic USA

Smart and Silent Fan Control

Seasonic USA

Improved Compatibility
with the Latest Intel
and AMD Platforms

Seasonic USA

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Return Policies

    We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2020 and December 24, 2020 you will have until January 31, 2021 to return your product. There's nothing additional that you have to do!
  • Return for refund until: January 31, 2021
  • Return for replacement until: January 31, 2021
  • This item is covered by's Extended Holiday Return Policy