Good quality, 30" wide wire shelving on wheels can support the weight of a small (e.g. 12U) rack loaded with equipment. For cost savings, you can use an open r

Good quality, 30" wide wire shelving on wheels can support the weight of a small (e.g. 12U) rack loaded with equipment. For cost savings, you can use an open rackmount frame instead of an enclosed rack. Additional wire shelves can be used as needed for containers. Example baker's rack, https://www.amazon.com/Whitmor-Supreme-Kitchen-Microwave-Chrome/dp/B007EIXU30/ https://www.amazon.com/Whitmor-Supreme-Kitchen-Microwave-Chr...