From Amazon
ASUS ROG Strix 550W Gold PSU, Power Supply (ROG heatsinks, Axial-tech fan design, dual ball fan bearings, 0dB technology, 80 PLUS Gold Certification, fully modular cables, 10-year warranty)
Ecprof
90YE00A2B0NA00 - 550W ROG Strix PSU Double Ball Bearing Fan Fully Modu