Seasonic Prime Platinum PX-850 - 850W Full Modular - 80+ Platinum Certified - 12 Years Warranty Replacement

Overview

The Seasonic Prime Platinum PX-850 is an 850W fully modular power supply designed for high-performance gaming, workstation, and overclocking setups. With 80+ Platinum certification, it achieves up to 92% energy efficiency, minimizing power waste and heat output. Built with premium Japanese capacitors and featuring Hybrid Fan Control for silent operation, this PSU ensures long-term stability and performance. Backed by a 12-year warranty, the Seasonic Prime Platinum PX-850 is ideal for enthusiasts who demand reliability, efficiency, and superior power delivery.

How to Install the Seasonic Prime Platinum PX-850

Step-by-Step Installation:

1. Power Off & Unplug: Ensure the system is completely shut down.
2. Mount the PSU: Secure the Seasonic Prime Platinum PX-850 in the PSU compartment of your case.
3. Connect the Cables:
   • 24-pin ATX Connector: Connect to the motherboard.
   • 8-pin CPU Connectors (x2): Plug into the CPU power slots.
   • PCIe Connectors: Use for high-end graphics cards.
   • SATA & Molex Connectors: Attach to storage drives and peripherals.
4. Cable Management: Organize and secure cables to optimize airflow.
5. Final Check & Power On: Verify all connections before turning on the system.

Warranty & Service Plans

• 12-Year Replacement Warranty: Covers manufacturing defects and failures.
• Seasonic Customer Support: Provides RMA services and technical assistance.

Differences Between Plans

The Seasonic Prime Platinum PX-850 comes with a standard 12-year warranty, one of the longest in the industry. Some retailers may offer extended warranty options through third-party providers.

10 Key Features of Seasonic Prime Platinum PX-850

1. 850W Output Power – Supports high-end gaming, workstation, and multi-GPU setups.
2. 80+ Platinum Certification – Ensures up to 92% efficiency, reducing power consumption and heat.
3. Fully Modular Design – Enables a clean and organized build.
4. Premium Hybrid Fan Control – Provides silent operation under low loads.
5. High-Quality Japanese Capacitors – Enhances stability and longevity.
6. Multi-GPU Ready – Supports NVIDIA SLI and AMD CrossFire configurations.
7. Advanced Protection Features – OVP, OPP, UVP, SCP, and OTP for maximum safety.
8. 135mm Fluid Dynamic Bearing Fan – Offers quiet performance and extended lifespan.
9. ATX Form Factor – Compatible with standard mid-tower and full-tower cases.
10. 12-Year Warranty – One of the longest warranty periods in the industry.

Competitor Products

1. Corsair HX850 – 850W, 80+ Platinum, Fully Modular

   • Similar efficiency with Zero RPM Mode for silent operation.
   • 10-year warranty compared to Seasonic’s 12-year warranty.

2. EVGA SuperNOVA 850 P2 – 850W, 80+ Platinum, Fully Modular

   • High-efficiency rating with 100% Japanese capacitors.
   • Features ECO Mode for fanless operation under low loads.

The Seasonic Prime Platinum PX-850 is a powerful, efficient, and reliable PSU, making it an excellent choice for gamers, content creators, and professionals who require top-tier performance, long-term durability, and silent operation.