Onboard storage refers to the amount and type of data storage that is built into a device, such as a computer or smartphone. This includes any internal hard drives, solid-state drives (SSDs), or flash memory chips that are installed within the device itself. Onboard storage provides space for storing operating system files, applications, user documents, and other important data without having to rely on external storage devices such as USB drives or SD cards. The amount of onboard storage can vary greatly depending on the specifications of a particular device, with some offering only a small amount while others may have large capacities.