Seasonic VERTEX GX-1200 - 1200W Fully Modular - 80+ Gold Certified - ATX 3.0 Compatible - PCIe 5.0 Ready - 10 Years Warranty Replacement

Overview

The Seasonic VERTEX GX-1200 is a high-performance 1200W fully modular power supply unit (PSU) designed for gaming PCs, high-end workstations, and overclocked systems. With 80+ Gold certification, it delivers up to 90% energy efficiency, reducing heat output and enhancing power stability. ATX 3.0 compatibility and PCIe 5.0 readiness make it an ideal PSU for the latest graphics cards, including NVIDIA RTX 40-series GPUs. Backed by a 10-year warranty, it offers long-term reliability and performance for demanding users.

How to Use/Install

Installing the Seasonic VERTEX GX-1200

1. Turn Off & Unplug the System – Ensure safety before installation.
2. Open the PC Case – Locate the PSU compartment in your case.
3. Insert the PSU – Securely position the Seasonic VERTEX GX-1200 in the PSU bay.
4. Connect the Required Cables – Use only necessary fully modular cables for better cable management.
5. Secure the PSU – Fasten it with screws to prevent movement.
6. Manage Cables & Close the Case – Organize cables to improve airflow.
7. Power On & Test – Verify that the system receives stable power and functions properly.

Type of Services/Warranty Available

• 10-Year Warranty Replacement – Covers manufacturing defects and performance issues.
• Retail Box Packaging – Includes fully modular cables, power cord, and user manual.

Main Differences Between Services/Warranty

• ATX 3.0 Compatibility – Supports next-generation power delivery standards.
• PCIe 5.0 Ready – Provides stable power for high-performance GPUs.
• 80+ Gold Efficiency – Offers better energy efficiency and lower heat output.

Key Features of the Seasonic VERTEX GX-1200

• 1200W Continuous Power Output – Designed for enthusiast gaming, AI workloads, and workstation builds.
• 80+ Gold Certified – Ensures up to 90% efficiency, reducing power loss and heat.
• Fully Modular Design – Allows customized cable management for cleaner builds.
• ATX 3.0 Compatible – Meets modern power requirements for next-gen hardware.
• PCIe 5.0 Ready – Includes a 12VHPWR connector for NVIDIA RTX 40-series GPUs.
• Silent 135mm Fan – Features Seasonic’s Fluid Dynamic Bearing (FDB) technology for quiet operation.
• DC-to-DC Conversion – Ensures stable voltage regulation and system reliability.
• Premium Japanese Capacitors – Enhances durability and long-term performance.
• Comprehensive Protection Features – Includes OVP, UVP, OPP, SCP, and OTP for safety.
• 10-Year Warranty – Provides extended durability and reliability.

Competitor Products

Two similar 1200W 80+ Gold fully modular PSUs competing with the Seasonic VERTEX GX-1200 include:

• Corsair RM1200x SHIFT 80+ Gold – Features side-mounted connectors for easy cable management.
• EVGA SuperNOVA 1200 P3 80+ Platinum – Offers higher efficiency and premium build quality.

The Seasonic VERTEX GX-1200 (1200W, Fully Modular, 80+ Gold Certified, ATX 3.0, PCIe 5.0 Ready) is an excellent choice for users needing high-efficiency power, future-proof performance, and reliability for gaming, AI processing, and professional applications.