Seasonic decided to silently update their G-550 model to add Haswell support. The company did not change the model number, but did add a Haswell-ready badge to the box. The G-550 is an affordable product for users on a tight budget who, want a reliable PSU with great performance for a mid-level system."
You do software updates to get the most from favourite programs right? Updating a motherboard BIOS can in a timely manner is also critical. The guide to Flashing a Motherboard BIOS spells out the often complicated steps in plain english. PCSTATS Tips