Seasonic 550W ATX Power Supply, 100 → 240V ac Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output

The fully modular, 80 PLUS® Platinum rated FOCUS+ Platinum 550 watt unit is based on the DC to DC Converter Design and its electric performance characteristics are impressive with their tight voltage regulation. These power supplies use high temperature Japanese capacitors to ensure stability under extreme conditions. Besides its stability and remarkable output characteristics, this unit has the highest power density in its class. Silence enthusiasts will appreciate the Seasonic Hybrid Silent Fan Control system that is the industry’s first three-phased advanced thermal control to achieve optimal balance between silence and cooling.

Reduced noise without increase in temperature,
Extended fan life due to the reduced number of fan rotations,
Optimized heat dissipation at all times,
Unsurpassed silent performance in Fanless Mode.