Tested and working. The XFX TS550 550W Power Supply is a reliable and efficient ATX power module designed for computers and servers. With a maximum power output of 550W and 80 Plus Bronze certification, this power supply ensures stable and stable performance. Featuring a sleek black design and compatibility with 12V voltage, this XPS-550W-SEW model by XFX is a dependable choice for those looking to upgrade or replace their current power supply. Made in China, this power supply is a solid option for users seeking quality and performance in their computer setup.