The Z77J PS is a power supply manufactured by Kradex. It is a mid-range 80 plus power supply designed for reliability, efficiency, and affordability. The Z77J PS is a fully modular design and can be used in ATX, semi-modular, and fully-modular systems. It features a single +12V rail design, delivering up to 70A of continuous power. With 80 plus ratings of up to 87%, this power supply has been certified to deliver up to 89% power efficiency at 50% load. The rugged billet aluminum chassis and dual-layer PCB ensure that the components operate in a reliably cool environment, which contributes to its long-term lifespan. On top of that, the unit is protected from short circuiting and overheating, as well as providing over voltage, over current, and surge protections. All of these features combined make the Z77J PS from Kradex an excellent choice for a powerful, reliable system.