
be quiet! TFX Power 3 300W Gold power supply unit 20+4 pin ATX Black
by be quiet!
£56.82from 5 retailers
GTIN04260052194089
EAN4260052194089
MPNBP910UK
Prices updated 10 Apr 2026
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Product Description
80 PLUS® Gold efficiency (up to 91.7%) for lower power consumption. Strong dual 12V-rails for high stability and PCIe graphics card support. 6+2pin PCIe connector for powerful GPUs. 300W of continuous power. High-quality temperature-controlled 80mm fan for low-noise operation of max. 21.7dB(A). Sleeved or flat black cables up to 60cm long. Meets the latest safety and efficiency requirements. Modern safety protections reliably defend against numerous failures. Standby draw less than 0.17 watts. Product conception, design and quality control in Germany. COMPACT AND SILENT ENERGY. TFX Power 3 300W Gold, the advanced, high-efficiency be quiet! compact PSU gives you more for your mini or media PC. It supports the latest standards while providing solid voltages and enough power to support a PCIe graphics card. The combination of quiet operation and reliability make the TFX Power 3 300W Gold the perfect choice for PCs with TFX form factor.. Power. Power protection features. Over current, Over power, Over voltage, Short circuit, Surge & inrush protection (SIP), Under voltage. Hold time. 29 ms. Efficiency. 90.6%. Max output current (+5Vsb). 3 A. Max output current (-12V). 0.3 A. Max output current (+5V). 18 A. Max output current (+12V2). 13 A. Max output current (+12V1). 13 A. Max output current (+3.3V). 18 A. Combined power (+5V). 103 W. Combined power (+12V). 288 W. Combined power (+3.3V). 103 W. Number of +12V rail(s). 2. Power factor. 0.98. Maximum input current (@220V). 2 A. Maximum input current (@110V). 4 A. AC input frequency. 50/60 Hz. AC input voltage. 100 - 240 V. Peak power. 350 W. Total power. 300 W. Ports & interfaces. Cabling type. Non-Modular. Floppy drive power connector. 1. CPU power cable length. 35 cm. CPU P4 connector (4-pin). 1. PCI Express power cable length. 40 cm. PCI Express power connectors (6+2 pin). 1. Peripheral (Molex) power cable length. 300,450 mm. Peripheral (Molex) power connectors (4-pin). 2. Number of SATA power cables. 1. SATA power cable length. 300,450,600 mm. Number of PATA power connectors. 2. Number of SATA power connectors. 3. Motherboard power cable length. 35 cm. Motherboard power connector. 20+4 pin ATX. Performance. Mean time between failures (MTBF). 100000 h. Bearing technology. Rifle. Noise level. 21.7 dB. EPS version. 2.92. 80 PLUS certification. 80 PLUS Gold. Power supply unit (PSU) form factor. TFX. Purpose. PC. Design. On/off switch. No. Fan speed. 0 - 1323 RPM. Number of fans. 1 fan(s). Fan diameter. 8 cm. Cooling type. Active. Product colour. Black. Operational conditions. Operating temperature (T-T). 0 - 40 °C. Certificates. Waste Electrical and Electronic Equipment (WEEE) compliance. Yes. Compliance certificates. CB, CE, RoHS, TÜV mark, WEEE. Weight & dimensions. Weight. 1.1 kg. Height. 65 mm. Depth. 175 mm. Width. 85 mm. Packaging data. Package weight. 1.4 kg. Package height. 215 mm. Package depth. 82 mm. Package width. 159 mm. Manual languages. German, English, Spanish, French, Polish, Russian. Manual. Yes. Technical details. Sustainability certificates. ENERGY STAR, ErP, Triman. Logistics data. Shipping (inner) case length. 47.4 cm. Shipping (inner) case width. 27.5 cm. Shipping (inner) case height. 19.5 cm. Shipping (inner) case net weight. 9.4 kg. Products per shipping (inner) case. 6 pc(s). Warranty period. 3 year(s). Other features. Cable ties included. Yes. Screws included. Yes. manual pdf. Cables
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