Thermaltake Toughpower SFX 1000W Gold TT Premium Edition PSU Review

Conclusion and Verdict

The Thermaltake Toughpower SFX 1000W Gold – TT Premium Edition is a standout choice for builders who want serious power in a compact form. It delivers excellent performance with 80 PLUS Gold efficiency, supports Intel’s ATX 3.0 standard, and includes a native 12VHPWR connector for next-gen GPUs—all while maintaining quiet operation thanks to its Smart Zero Fan and fluid dynamic bearing design.

With 100% Japanese capacitors, strict voltage regulation, and full modularity, it’s engineered for reliability and clean cable management. Whether you’re assembling a high-end mini-ITX gaming rig or a compact workstation, this PSU offers the flexibility, stability, and future-proofing needed for demanding builds.

Based on the voltage readings and power draw under both idle and full-load conditions, the Thermaltake Toughpower SFX 1000W Gold – TT Premium Edition clearly proves its reliability and performance. The PSU maintained stable voltage output across the +12V, +5V, and +3.3V rails with zero fluctuation—even as the system peaked at over 460W of combined CPU and GPU power consumption. This consistent regulation showcases excellent engineering and voltage tolerance, especially under high stress.

The cooling performance of the Thermaltake Toughpower SFX 1000W Gold – TT Premium Edition is impressively refined for its compact size. Featuring a 120mm fluid dynamic bearing fan, it delivers efficient airflow while maintaining low noise levels—even under full load. Thanks to Smart Zero Fan technology, the fan remains off during light workloads, only activating when needed to balance thermal performance and acoustics. With noise levels staying below 33.5 dB at 100% operation, this PSU achieves a quiet and cool environment, making it ideal for high-performance small form factor builds.

You can buy the Toughpower SFX 1000W Gold – TT Premium Edition for around GBP £161 from Amazon – https://amzn.to/4nZSGDG

Final Thoughts:

After using the Thermaltake Toughpower SFX 1000W Gold – TT Premium Edition power supply, I have to say it is genuinely impressive. It’s rare to find a power supply this compact that delivers such consistent voltage stability and handles demanding components without a problem. From its precise regulation under load to the quiet cooling and top-tier build quality, it feels like Thermaltake packed all the right features into a small form factor without cutting corners. For anyone building a high-performance SFF rig and wanting peace of mind with future upgrades, this PSU ticks all the boxes.