In todays review we are going to have a look at a unique power supply from Nesteq, the ASM Xzero 600W. Even though the vast majority of power supplies share very similar features, the ASM Xzero series has a number of unique characteristics ensuring it stands out of the crowd. Its most important features are the semi-passive cooling design and a patented cable connecting system. We will thoroughly analyse these features as well as the overall performance of this power supply in this review.