A 6U rack is relatively compact and space-efficient, making it suitable for smaller networking setups or areas with limited available space
A 12U rack provides more vertical space, making it suitable for medium-sized network setups.
A 20U network rack offers a generous amount of vertical space, which makes it well-suited for network configurations ranging from medium-sized to larger setups.
A 42U rack provides a significant vertical capacity, rendering it well-suited for extensive network configurations in data centers, server rooms, and corporate settings.
A 45U 2-post rack provides substantial vertical space, making it suitable for large-scale network setups, data centers, and telecommunications installations.