The Mercury Series is Minisforum's line of mini-PCs that are tiny and yet offer compelling performance. The latest model, known as the EM780, comes with an AMD Ryzen 7 7840U and is a solid performer despite its compact design. The mini-PC shines with its 32 GB of RAM and modern USB4 interfaces and is thus almost unrivalled. In this review, we'll take a closer look at the performance of this pint-size device with the help of many measurements and benchmarks.