Seasonic M12II-520 Evo Edition 520W Full Modular - 80+ Bronze Certified - 5 Years - Retail Box (NO OEM)

Overview

The Seasonic M12II-520 Evo Edition 520W is a fully modular power supply unit (PSU) designed for efficiency, flexibility, and reliability. With 80+ Bronze certification, this PSU ensures high energy efficiency and stable power delivery for gaming PCs, workstations, and home systems. It features silent cooling, active PFC, and premium components, providing long-lasting performance. The retail box packaging includes full documentation and accessories, and it comes with an extended 5-year warranty replacement.

How to Use/Install

Installing the Power Supply Unit

1. Power Off & Unplug Your System – Safety first before installation.
2. Open the PC Case – Remove the side panel to access the PSU bay.
3. Position the PSU – Align the Seasonic M12II-520 Evo Edition in the compartment.
4. Connect the Necessary Cables – Attach only the required modular cables to your motherboard, GPU, and storage.
5. Secure the PSU – Use screws to mount it firmly in place.
6. Manage Cables & Close the Case – Ensure proper airflow and a tidy setup.
7. Power On & Test – Verify that all components receive stable power.

Type of Services/Warranty Available

• 5-Year Warranty Replacement – Covers manufacturing defects and failures.
• Retail Box (Not OEM) – Includes full product packaging, manuals, and accessories.

Main Differences Between Services/Warranty

• Fully Modular Design – Unlike semi-modular PSUs, this model offers complete flexibility in cable management.
• Extended 5-Year Warranty – Provides longer coverage compared to basic warranties.
• Retail Packaging – Ensures full product accessories and proper documentation, unlike OEM versions.

Key Features of the Seasonic M12II-520 Evo Edition

• 520W Continuous Power Output – Ideal for gaming PCs, workstations, and professional use.
• 80+ Bronze Certified – Provides up to 85% energy efficiency under typical loads.
• Fully Modular Design – Allows for customized cable management and improved airflow.
• Active PFC (Power Factor Correction) – Enhances efficiency and system stability.
• 120mm Silent Fan – Delivers quiet and efficient cooling.
• Premium Components – Features high-quality capacitors for long-lasting durability.
• Comprehensive Safety Protections – Includes OVP, OPP, SCP, and UVP for enhanced security.
• ATX Form Factor – Compatible with most standard PC cases.
• Dual 12V Rails – Ensures stable power delivery to high-performance components.
• 5-Year Warranty – Extended protection for long-term reliability.

Competitor Products

Two similar fully modular 520W 80+ Bronze PSUs competing with the Seasonic M12II-520 Evo Edition include:

• Corsair RM550x 80+ Bronze – Offers efficient power delivery and modular cable management.
• EVGA SuperNOVA 550 GA 80+ Bronze – Features high-quality components and enhanced safety protections.

The Seasonic M12II-520 Evo Edition 520W is an excellent choice for users seeking a high-quality, fully modular, and efficient PSU for gaming, professional workloads, and high-performance PC builds.