SilverStone Technologies ST55F-PB 550 watt ATx Power Supply 80 Plus Bronze with 100 Percent Modular Cable Design, Black

<b>Features</b><ul><li>High efficiency with 80 PLUS Bronze certification</li><li>24/7 continuous power output with 40C operating temperature</li><li>100% modular cables with flexible flat arrays</li><li>Class-leading single +12V rail</li><li>Strict ±3% voltage regulation and low ripple &amp; noise</li><li>Silent running 120mm fan with 18dBA</li><li>PCIe 8/6pin connectors Support</li></ul><b>Protection</b><ul><li>Over power Protection</li><li>Over Current Protection</li><li>Over voltage Protection</li><li>Over temperature Protection</li><li>Under voltage Protection</li><li>Short circuit Protection</li></ul><b>Connectors</b><ul><li>1 x 24 / 20-Pin motherboard Connector(600 mm)</li><li>1 x 8 / 4-Pin EPS / ATx 12V Connector(750 mm)</li><li>2 x 8/6-P in PCIe Connector(550 mm / 150 mm)</li><li>8 x SATA Connector("600 mm / 150 mm / 150 mm / 150 mm" x 2)</li><li>3 x 4-Pin peripheral Connector (600 mm / 150 mm / 150 mm)</li><li>1 x 4-Pin floppy Connector(150 mm)</li></ul><b>Other</b><ul><li>GPU Support list</li><li>Compatible with ATx12V v2.4</li></ul><b>Specifications</b><ul><li><b>Color:</b> Black(Lead-Free Paint)</li><li><b>Maximum DC Output:</b> 550 watt</li><li><b>Amps:</b> 42.5A</li><li><b>Power Density:</b> 305 watt per liter</li><li><b>Combined +3.3V &amp; +5V:</b> 100 watt</li><li><b>Combined +12V:</b> 510 watt</li><li><b>Input Voltage:</b> 103 ~ 264 Vrms</li><li><b>Input Frequency Range:</b> 47Hz~63Hz</li><li><b>PFC:</b> Active PFC(PF&gt;0.9 at full load)</li><li><b>Efficiency:</b> 82%~85% at 20% ~ 100% loading</li><li><b>MTBF:</b> 100,000 hours</li><li><b>Operating Temperature:</b> 0°C ~ 40°C</li><li><b>Cooling System:</b> Single 120 mm silent Fan</li><li><b>Form Factor:</b> ATx</li><li><b>Noise Level:</b> 18 dBA minimum</li><li><b>Certification:</b> 80 PLUS Bronze</li><li><b>Low Noise:</b> 120 mm</li><li><b>Depth:</b> 140 mm</li><li><b>Dimension:</b> 5.91" x 3.39" x 5.51"</li></ul>- SKU: SVSTT1804

• High efficiency with 80 PLUS Bronze certification
• 24/7 continuous power output with 40 operating temperature
• 100% modular cables with flexible flat arrays
• Class-leading single +12V rail
• Strict 3% voltage regulation and low ripple and noise
• Silent running 120mm fan with 18dBA
• PCIe 8/6pin connectors support