The OCZ ModXStream Pro 600W 80+ Semi-Modular Active PFC ATX Power Supply OCZ600MXSP is a high-quality power supply unit designed for universal compatibility with a maximum power output of 600 watts. With a sleek black design and one fan for cooling, this power module offers efficient performance for your computer system. The semi-modular design ensures easy cable management, while the 20+4 pin connectors provide reliable power delivery. Featuring a surge energy capacity of 125 joules, this OCZ power supply is a dependable choice for your ATX system.

They work perfectly well; they were taken from working computers.