This product is either discontinued or we cannot get that from suppliers.
Cooler Master MPX-5501-AMAAB-AU, MasterWatt 550, Active PFC, Operation Voltage 100-240Vac, Input Voltage 100-240Vac, Input Current 8-4A, Input Frequency 50-60Hz, Fan Size 120mm, Fan Bearing LDB, Powergood Signal 100-500ms, Powergood Signal 100-500ms.
The Cooler Master MPX-5501-AMAAB-AU MasterWatt 550W 80+ Bronze Semi-Modular Power Supply comes with great features such as an 80 Plus Bronze certification, delivering an average efficiency of 85%.