Seasonic S12II-450 EVO 450W - 80+ Bronze Certified - 3 Years Warranty Replacement - Retail Box (NO OEM)

Overview

The Seasonic S12II-450 EVO 450W is a high-quality, 80+ Bronze certified power supply unit (PSU) designed for stable and efficient power delivery. It features active PFC, silent operation, and durable components, making it a reliable choice for mid-range gaming and professional PC builds. The PSU comes in a retail box (not OEM) and includes a 3-year warranty replacement for peace of mind.

How to Use/Install

Installing the Power Supply Unit

1. Turn Off & Unplug Your PC – Ensure safety before installation.
2. Open the Case – Remove the side panel to access the PSU compartment.
3. Mount the PSU – Align the Seasonic S12II-450 EVO 450W into the PSU bay.
4. Connect the Cables – Attach power cables to the motherboard, GPU, and peripherals.
5. Secure the PSU – Use screws to firmly mount it to the case.
6. Plug In & Power On – Ensure proper airflow and test the system.

Type of Services/Warranty Available

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

Main Differences Between Services/Warranty

• Warranty Replacement – Ensures defective units are replaced within 3 years.
• Retail Version – Comes with full packaging and accessories, unlike OEM versions.

Key Features of the Seasonic S12II-450 EVO 450W

• 450W Continuous Power Output – Ideal for mid-range PCs and workstations.
• 80+ Bronze Certified – Ensures up to 85% efficiency at typical loads.
• Active PFC (Power Factor Correction) – Improves power efficiency and stability.
• Silent 120mm Fan – Provides quiet and efficient cooling.
• Multiple Protections – Includes OVP, OPP, SCP, and UVP for hardware safety.
• Reliable Japanese Capacitors – Enhances durability and longevity.
• Fixed Cables Design – Pre-attached cables for easy installation.
• Standard ATX Form Factor – Compatible with most PC cases.
• Dual 12V Rails – Ensures stable power distribution.
• 3-Year Warranty – Provides long-term reliability.

Competitor Products

Two similar 450W 80+ Bronze PSUs competing with the Seasonic S12II-450 EVO include:

• Corsair CX450 80+ Bronze – Reliable and budget-friendly with semi-modular cables.
• EVGA 450 BR 80+ Bronze – Offers single 12V rail design and affordable pricing.

The Seasonic S12II-450 EVO 450W is an excellent choice for users seeking a reliable, efficient, and quiet power supply for mid-range gaming PCs, office builds, and professional workstations.