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be quiet! 300W TFX Power 3, 80 PLUS Gold Wired PSU, Dual Rail, 26A +12V, Black, TFX PSU

Precio normal $107.00

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be quiet! 300W TFX Power 3, 80 PLUS Gold Wired PSU, Dual Rail, 26A +12V, Black, TFX PSU

be quiet! 300W TFX Power 3, 80 PLUS Gold Wired PSU, Dual Rail, 26A +12V, Black, TFX PSU

$107.00

be quiet! TFX Power 3 300W Gold – Compact, Silent, and Efficient PSU

The be quiet! TFX Power 3 300W Gold is a compact and silent power supply unit designed for mini or media PCs with TFX form factor. It supports the latest standards, delivers solid voltages, and provides enough power to run a PCIe graphics card, making it an excellent choice for small, quiet systems.

Key Features

  • 80 PLUS® Gold certified efficiency (up to 91.7%)
    Ensures outstanding energy efficiency for lower power consumption and reduced operating costs.

  • Strong dual 12V rails for stable operation
    The CPU is powered through an independent rail for high stability, while an included PCIe connector supports demanding peripherals like graphics cards.

  • Ideal for small systems with low noise requirements
    Perfect for users who need reliable power and quiet performance in compact TFX-based PCs.

  • Optimized low-noise cooling
    A high-quality, temperature-controlled 80mm fan ensures quiet operation with a maximum noise level of just 21.7 dB(A), while producing minimal wasted heat.

  • Comprehensive protection features
    Meets the latest safety requirements to protect your system against overcurrents, overvoltage, undervoltage, short circuit, overload, and comparable failures.

  • Efficient standby operation
    Standby power draw of less than 0.17 watts.

  • High-quality cable design
    Sleeved or flat black cables up to 60 cm long for clean, discreet cable management in compact builds.

  • Reliable quality
    Includes a three-year manufacturer’s warranty. Product conception, design, and quality control are carried out in Germany.


Technical Specifications

Specification Detail
Wattage 300W (continuous power)
Form Factor TFX
Connectivity Non-Modular
80 Plus Rating 80 PLUS Gold (up to 91.7% efficiency)
Fan Size 80mm
Fan Noise Level Max. 21.7 dB(A)
Warranty 3 Year Warranty
MTBF (Mean Time Between Failure) 100,000
PFC (Power Factor Correction/Controller) Active PFC
Standby Power Draw < 0.17W
Color Black
Weight 1.1 kg
Dimensions (L x W x H, without cable) 175 x 85 x 65 mm

Cables & Connectors

Cable Type Details
Total Number of Cables 5
Sleeved Cables P24
Flat Cables P4, PCIe, drives
Maximum Cable Length 60 cm
Cable Length to Motherboard 35 cm
Connectors
  • ATX-Motherboard (20+4-pin): 1
  • P4 (CPU): 1
  • PCIe 6+2-pin (GPU): 2
  • SATA: 3
  • PATA: 2
  • FDD (Floppy): 1

The be quiet! TFX Power 3 300W Gold combines compact TFX form factor, high efficiency, stable dual-rail power delivery, and very low noise levels, making it a compelling power supply choice for mini and media PCs.