netbox/docs/models/dcim/rackgroup.md

Rack Groups

Racks can optionally be assigned to rack groups to reflect their physical placement. Rack groups provide a secondary means of categorization alongside locations, which is particularly useful for datacenter operators who need to group racks by row, aisle, or similar physical arrangement while keeping them assigned to the same location, such as a cage or room. Rack groups are flat and do not form a hierarchy.

Rack groups can also be used to scope VLAN groups, which can help model L2 domains spanning rows or pairs of racks.

Fields

Name

A unique human-friendly name.

Slug

A unique URL-friendly identifier. (This value can be used for filtering.)