Seasonic PRIME PX-1600 ATX 3.1 1600W 80 Plus Platinum PSU

Flagship 1600W Power for Extreme Gaming, AI and Professional Workstations

The Seasonic PRIME PX-1600 ATX 3.1 represents the pinnacle of Seasonic's power supply engineering, delivering exceptional efficiency, industry-leading reliability and enormous power reserves for the most demanding PC systems. Designed for extreme gaming rigs, AI workloads, rendering workstations and multi-GPU environments, this flagship 1600W fully modular PSU provides professional-grade performance backed by premium components and a remarkable 12-year manufacturer warranty.

Built to the latest ATX 3.1 and PCIe 5.1 standards, the PRIME PX-1600 is ready to support today's most powerful hardware and the next generation of ultra-high-performance components.

Key Features & Benefits

Massive 1600W Continuous Power Output

The PRIME PX-1600 delivers an impressive 1600W of continuous power, making it one of the most capable power supplies available for enthusiasts and professionals.

Perfect for:

• AI Workstations
• Deep Learning Systems
• Multi-GPU Configurations
• High-End Rendering Workstations
• Extreme Gaming PCs
• Content Creation Studios
• Engineering Workstations
• Overclocked Enthusiast Builds

The powerful +12V rail can deliver up to 133.3A, providing exceptional stability for demanding workloads.

ATX 3.1 & PCIe 5.1 Ready

Designed from the ground up for next-generation hardware, the PRIME PX-1600 fully supports:

• ATX 3.1 Specification
• PCIe 5.1 Standard
• Modern Power Excursion Requirements
• Native 12V-2x6 Connectivity
• Future GPU Compatibility

Designed for the latest NVIDIA RTX 40 Series, RTX 50 Series and future high-performance graphics cards.

Native 12V-2x6 PCIe Gen 5.1 Support

The included native 12V-2x6 connector provides clean and reliable power delivery to modern graphics cards.

Benefits include:

• Up to 600W GPU power delivery
• Reduced cable clutter
• Improved system aesthetics
• Enhanced electrical reliability
• Full PCIe 5.1 compliance

Ideal for high-end graphics solutions and workstation hardware.

80 Plus Platinum Certified Efficiency

The PRIME PX-1600 achieves 80 Plus Platinum certification, delivering exceptional energy efficiency even under demanding loads.

Advantages include:

• Reduced power waste
• Lower operating temperatures
• Greater energy efficiency
• Lower electricity costs
• Enhanced long-term reliability

Ideal for systems operating continuously or under heavy workloads.

Cybenetics Titanium Efficiency Rating

Beyond Platinum certification, the PRIME PX-1600 also achieves a Cybenetics Titanium Efficiency Rating, demonstrating outstanding real-world efficiency performance.

Cybenetics A- Noise Rating

The PSU carries a Cybenetics A- noise certification, ensuring low acoustic output despite its immense power capacity.

Micro Tolerance Load Regulation

Seasonic's advanced design maintains voltage regulation to within less than 1%, ensuring exceptional stability for critical hardware.

Benefits include:

• Precise voltage control
• Improved component protection
• Enhanced overclocking stability
• Reliable workstation performance
• Consistent power delivery

Perfect for professional workloads where system stability is essential.

Digital Hybrid Fan Control

The advanced Digital Hybrid Fan Control system intelligently manages cooling performance based on real-time thermal demands.

Fanless Mode

Under lighter workloads, the fan remains off for silent operation.

Silent Mode

During moderate use, cooling is maintained with minimal fan noise.

Performance Cooling Mode

Under demanding system loads, cooling is increased automatically to maintain optimal operating temperatures.

This intelligent management system maximises both efficiency and acoustic performance.

Premium 135mm Fluid Dynamic Bearing Fan

The PRIME PX-1600 features a premium 135mm Fluid Dynamic Bearing (FDB) fan designed for exceptional longevity and quiet operation.

Benefits include:

• Reduced vibration
• Lower noise levels
• Improved airflow
• Longer operational lifespan
• Higher cooling efficiency

Rated for approximately 50,000 hours of service life.

Fully Modular Design

The fully modular architecture allows builders to install only the required cables.

Advantages include:

• Cleaner cable management
• Improved airflow
• Easier installation
• Reduced clutter
• Simplified future upgrades

Essential for large workstation and enthusiast systems.

Premium Braided Black Cables

Individually sleeved black braided cables offer excellent flexibility and a professional appearance.

Perfect for:

• Showcase gaming PCs
• Professional workstations
• Full tower builds
• Custom enthusiast systems

Comprehensive Protection Features

Industrial-grade protection circuitry safeguards your power supply and connected hardware.

Protection Includes:

• OPP (Over Power Protection)
• OVP (Over Voltage Protection)
• UVP (Under Voltage Protection)
• OCP (Over Current Protection)
• OTP (Over Temperature Protection)
• SCP (Short Circuit Protection)

Providing complete peace of mind for high-value systems.

Ideal For

✅ AI & Machine Learning Workstations
✅ Multi-GPU Systems
✅ RTX 5090 & Future Flagship GPUs
✅ Professional Rendering Systems
✅ Engineering Workstations
✅ Content Creation Studios
✅ Extreme Gaming PCs
✅ Overclocked Enthusiast Builds
✅ Enterprise-Level Desktop Systems

Technical Specifications

General

• Brand: Seasonic
• Model: PRIME PX-1600 ATX 3.1
• Part Number: PRIME-PX-1600-ATX30
• Colour: Black
• Form Factor: ATX / EPS

Power

• Total Continuous Power: 1600W (115V-240V)
• 1300W Continuous Power (100V Input)
• 80 Plus Platinum Certified
• Cybenetics Titanium Efficiency Rating
• Cybenetics A- Noise Rating

Electrical Specifications

• Input Voltage: 100V - 240V
• Input Current: 15A - 10A
• Frequency Range: 50Hz - 60Hz
• Full Range AC Input

Cooling

• 135mm Fan
• Fluid Dynamic Bearing (FDB)
• Digital Hybrid Fan Control
• Fanless Operation Support
• Fan Life Expectancy: 50,000 Hours

Reliability

• MTBF: 100,000 Hours

Cable Design

• Fully Modular
• Individual Black Braided Cables

Protection Features

• OPP
• OVP
• UVP
• OCP
• OTP
• SCP

Power Distribution

Total Continuous Power: 1600W

Dimensions

• 210 × 150 × 86mm

Operating Temperature

• 0°C to 50°C

Certifications

• 80 Plus Platinum
• CE
• CB
• TUV
• cTUVus
• CCC
• BSMI
• EAC

Environmental Compliance

• Energy Star
• RoHS
• WEEE
• REACH
• ErP Lot 6

Warranty

• 12-Year Manufacturer Warranty

What's in the Box?

• Seasonic PRIME PX-1600 Power Supply
• Fully Modular Cable Set
• Native 12V-2x6 PCIe Cable
• CPU & PCIe Power Cables
• Mounting Screws
• User Documentation

Why Choose the Seasonic PRIME PX-1600?

The Seasonic PRIME PX-1600 ATX 3.1 is a true flagship power supply built for the world's most demanding desktop systems. Combining 1600W of continuous power, 80 Plus Platinum efficiency, Cybenetics Titanium certification, ATX 3.1 and PCIe 5.1 support, advanced Digital Hybrid Fan Control, and industry-leading voltage regulation, it delivers uncompromising performance for high-end gaming, AI processing, rendering and professional workstation environments. Backed by Seasonic's renowned engineering expertise and an exceptional 12-year warranty, the PRIME PX-1600 provides the reliability, efficiency and power required for the most ambitious PC builds.