Various embodiments of the present technology generally relate to systems and methods for storing datacenter equipment. More specifically, some embodiments relate to a datacenter rack (“computing rack”) that can be adjusted to fit various sizes of computing equipment and can be stacked with additional computing racks. In certain embodiments, the computing rack includes an enclosure for storing a plurality of computing units as well as one or more adjustable vertical mounting rails coupled to the frame of the computing rack for accommodating different sizes and specifications of equipment. The computing rack additionally includes components for stacking the unit with additional computing racks such that a set of stacked computing racks can fit multiple different sizes and specifications of computing equipment.