Compact TFX Power Supply with 80 PLUS Gold Efficiency

The be quiet! TFX Power 3 300W Gold delivers reliable, efficient power for mini PCs and small form factor systems. With 80 PLUS Gold certification achieving up to 91.7% efficiency, this TFX PSU reduces power consumption and operating costs while maintaining stable performance.

Dual 12V Rail Design for System Stability

The dual rail configuration provides dedicated power delivery, with the CPU receiving power through an independent 12V rail for enhanced stability. The 26A +12V output ensures consistent power delivery to demanding components. Two 6+2pin PCIe connectors enable support for powerful graphics cards, making this 300W PSU suitable for compact gaming or media systems.

Silent Operation with Temperature-Controlled Fan

Equipped with a high-quality 80mm fan, the TFX Power 3 operates at a maximum noise level of just 21.7dB(A). The temperature-controlled fan adjusts speed based on system load, ensuring quiet operation during typical use while providing adequate cooling when needed.

Comprehensive Connectivity

This non-modular PSU includes all necessary connectors for compact builds: - 1x ATX motherboard (20+4-pin) - 1x P4 CPU connector - 2x PCI-e 6+2-pin for GPU - 3x SATA connectors - 2x PATA connectors - 1x FDD connector Cables feature a combination of sleeved (P24) and flat (P4, PCIe, drives) designs with lengths up to 60cm, providing flexibility for various case configurations.

Advanced Protection and Reliability

Built to meet the latest safety requirements, the TFX Power 3 includes protection against overcurrents, over- and undervoltage, short circuits, and overloads. Active PFC (Power Factor Correction) ensures efficient power delivery, while standby draw remains below 0.17 watts for energy savings. With a MTBF of 100,000 hours and a three-year manufacturer's warranty, this PSU is designed for long-term reliability.

Specifications

Power Output: 300W continuous power Efficiency: 80 PLUS Gold certified (up to 91.7%) Form Factor: TFX (175 x 85 x 65mm) Fan: 80mm temperature-controlled Noise Level: Maximum 21.7dB(A) Weight: 1.1kg Color: Black Design: Conceived, designed, and quality controlled in Germany

• Wattage: 300W
• Size/Version: TFX
• Modular: No
• SATA Connections: 3
• Certification: Gold
• Colour: Black