Make informed decisions with expert advice. Learn More
SeaSonic M12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 SLI Ready 80 PLUS BRONZE Certified Full Modular Active PFC Power Supply
- ATX12V V2.3 / EPS 12V V2.91
- Full Modular
- 80 PLUS BRONZE Certified
- 100 - 240V 50/60 Hz
- +3.3V@24A, +5V@24A, +12V@48A, -12V@0.8A, +5VSB@2.5A
SeaSonic Full Modular Active PFC Power Supply
SeaSonic Electronics launches the M12II "Bronze" Series, the new and upgraded version of the M12II Series in response to the growing demand and anticipation for more energy-efficient products. The M12II Bronze Series inherits the same output and Wattage options as well as the superb quality and ultimate silence from the M12II Series. The M12II Bronze Series, available in 520W and 620W, offers buyers with a mid-range power output solution with cable management to meet their exact system needs - cable management is now made easier than ever.
Features

The M12II Bronze Series achieves the 80 PLUS® Bronze standard of at least 82%, 85% and 82% efficiency under 20%, 50% and 100% operating loads respectively. Combined with Active Power Factor correction (Active PFC), the M12II Bronze reduces energy waste, boosts power efficiency and more importantly, helps the users to save energy and reduce electricity bill.
While upgrading in efficiency, the M12II Bronze Series maintains the advanced designs and quality components from the past M12II line. Such designs and components including Double Forward Converter design, Smart and Silent Fan Control and highly reliable Japanese brand capacitor also boost the overall performance in stability and silence. The M12II Bronze Series is available in standard ATX Form Factor and in Wattages that are beneficial for a PC system. With the all-in-one cabling design and EPS connectors, the M12II Bronze Series is geared to support IPC and server systems and as well, both 6P and 8P PCI-E connector for latest and high end dual graphic cards.
The M12II Bronze Series is made reliable by featuring safety regulations such as Over Voltage Protection (OVP), Short Circuit Protection (SCP), and Over Power Protection (OPP). Major safety and EMC directives and as well, the environmental certifications RoHS and WEEE increase safety and usage reliability for the users.
Specifications
- DC to DC Converter Design
- Highly Reliable 221°F (105°C) Aluminum Electrolytic Capacitors
- Ample +12V Outputs
- Active Power Factor Correction (up to 99%)
- Smart & Silent Fan Control (S²FC)
- 120mm Ball Bearing Cooling Fan
- Multi-GPU Technology Support
- Fully Modular Cables
- Universal AC Input (Full Range)
- Ultra Ventilation (Honeycomb Structure)
- Gold Plated High Current Terminals(MB, CPU, and PCle)
- 5-Year Warranty
What's in the Box

The M12II Bronze Series achieves the 80 PLUS Bronze standard of at least 82% efficiency under 20%, 50% and 100% operating loads respectively. Combined with Active Power Factor correction (Active PFC), the M12II Bronze reduces energy waste, boosts power efficiency and more importantly, helps the users to save energy and reduce electricity bill.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.ca's Standard Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-626-969-9966
- Support Website
- View other products from SeaSonic USA






































