What Does the SKU "M19" Refer To?
A SKU (stock-keeping unit) is a manufacturer's unique internal identifier for one exact, orderable configuration of a product — not a product family name. On Thinvent's catalog, individual SKUs distinguish machines that may share the same chassis and processor but differ in memory, storage, operating system, serial port count, or wireless options. So a query for a SKU such as M19 is really a request for the precise bill of materials behind that code: processor model, RAM, SSD capacity, I/O layout, power adapter, pre-installed OS and any serial (DB9) expansion.
Because SKU codes are internal identifiers that can be revised over time, the authoritative specification for any single code is the datasheet or catalog page published against that exact code. When comparing a SKU against alternatives, always match the full