I see peaks between 350 and 400 Watts and PSU has just 550W total and 502W max on the +12V rail.
While your PSU may work if you see any of the signs of PSU troubles, shop for another 700 or so Watt PSU with a single rail.
Also, be sure your HDD is healthy. Use Speccy and check the 01 and 07 values. These must be under 100 for me to give that a passing grade.