Beginning in NetBox v4.3, the use of inventory items has been deprecated. They are planned for removal in a future NetBox release. Users are strongly encouraged to begin using [modules](./module.md) and [module types](./moduletype.md) in place of inventory items. Modules provide enhanced functionality and can be configured with user-defined attributes.
Inventory items can be organized by functional roles, which are fully customizable by the user. For example, you might create roles for power supplies, fans, interface optics, etc.