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

If you are looking for your next compact system build ideas, the FOCUS+ Gold 550 watt power supplies may be the ideal choice for you with their reliable and efficient power delivery, fully modular cables and efficiently regulated quiet operation. The high quality 120 mm Fluid Dynamic Bearing (FDB) fans are very quiet and proven to be very stable over the long run. When you couple these great FDB fans with Seasonic’s own Hybrid Silent Fan Control, then you have a power supply that outputs the least possible sound levels during operation.

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.