Thermaltake Toughpower SFX 1000W Full Modular 80Plus Gold Power Supply

Overview

The Thermaltake PS-STP-1000FNFAGU-1 is a fully modular 1000-watt power supply designed to deliver reliable and efficient power for modern desktop computers. It supports high-performance CPUs and graphics cards, making it suitable for gaming rigs, compact workstations, and small form factor builds. With an 80 PLUS Gold efficiency rating, it reduces wasted energy and heat, while its SFX-L form factor and included ATX bracket provide flexibility for installation in both Mini-ITX and full-sized cases.

Key features

• Fully modular cabling with flat wires simplifies cable management and improves airflow inside the case.
• Native 12VHPWR connector supports PCIe 5.0 graphics cards, delivering up to 600 watts directly to next-generation GPUs.
• Smart Zero Fan mode keeps the 120 mm fluid dynamic bearing fan off during light loads, ensuring quiet operation.
• Japanese capacitors rated for 105 °C provide voltage stability and long-term reliability under demanding conditions.
• Compliance with Intel ATX 3.0 standard protects against sudden power spikes and ensures compatibility with the latest hardware.
• SFX-L footprint combined with an ATX adapter bracket allows easy installation in both compact and standard desktop cases.

Key specs

• Power output: 1000 watts
• Efficiency rating: 80 PLUS Gold
• Form factor: SFX-L with ATX adapter bracket
• Fan size and type: 120 mm fluid dynamic bearing fan
• Fan noise level: below 33.5 dB at full load
• Capacitors: Japanese, rated for 105 °C
• Supported connector: 12 + 4-pin 12VHPWR for PCIe 5.0 graphics cards
• Compliance: Intel ATX 3.0 specification

Connectivity and compatibility

This power supply supports the latest power delivery standards, including the 12VHPWR connector designed for PCIe 5.0 graphics cards, ensuring compatibility with cutting-edge GPUs. Its fully modular design allows you to connect only the cables you need, reducing clutter and improving airflow. The included ATX adapter bracket means it can be installed in a wide range of cases, from compact Mini-ITX enclosures to full-sized towers, making it a versatile choice for builders who upgrade or move components frequently.

Performance and reliability

Equipped with high-quality Japanese capacitors rated for 105 °C, this power supply maintains stable voltage and long-term durability even under heavy loads. The 120 mm fluid dynamic bearing fan operates quietly thanks to Smart Zero Fan control, which keeps the fan off during low power usage and limits noise to under 33.5 dB at full load. These features combine to provide consistent, clean power delivery that supports demanding CPUs and GPUs without interruption.

Ideal uses and environments

This power supply is well suited to high frame rate gaming systems, virtual reality setups, and compact editing workstations where space is limited but power demands are high. Its combination of power density, efficiency, and future-ready connectors makes it a strong choice for enthusiasts and professionals who need a reliable power source that fits into small cases without compromising performance.