Magento 2 by default supports multiple types of products within the catalog, to help you choose the best products for your online stores. These product types are Simple, Configurable, Grouped, Virtual, Bundle, and Downloadable products.

Magento 2 configurable product type is a single product with lists of options for each variation. Each option is a separate simple product with a unique SKU, which makes it possible to track down the inventory of each product variation.