Antec High Current Gamer Gold HCG650 - Power supply (internal) - ATX12V 2.4/ EPS12V - 80 PLUS Gold - AC 100-240 V - 650 Watt - active PFC

PowerCache. An extra capacitor located at the ends of cables stores power, preventing brownouts from sudden demand spikes and providing an extra power reserve where you need it. Advanced fan. The whisper-quiet, fluid-dynamic bearing fan provides high airflow with the durability and longevity that is a signature of Antec quality. Zero RPM mode. The HCG Gold series is equipped with the Zero RPM fan mode, which uses thermal sensors to activate the fan only when you need it. With Zero RPM mode, the HCG Gold series works hard - and smart.