Especially designed by be quiet! with the price-conscious PC builders in mind - the new be quiet! System Power 8 400W, featuring true be quiet! reliability with two 12V-rails and rock-solid voltages. The series is certified 80PLUS efficient and able to support multiple GPUs with two PCIe connectors. System Power 8's combination of power, quietness for its class and efficiency is far beyond ordinary, letting you build cost-effective and reliable systems - a key differentiator in these days of identical commodities.