Silverstone Tek Nightjar Series 520W Completely Fanless 80PLUS Platinum Fully Modular Power Supply with Zero dBA Acoustics ATX 520 Power Supply NJ520 Fan-less thermal solution, 0 dBA acoustics High efficiency with 80 PLUS Platinum certification 100% modular cables Strict 2% voltage regulation and low ripple & noise 24/7 continuous power output with 40 operating temperature Class-leading single +12V rail PCI-E 8pin and PCI-E 6pin connectors support