On-Premises

Full control: your hardware, software, and data reside on your company's physical premises, managed entirely by your internal IT team.

On-Premises is the traditional IT deployment model: your organization owns, installs, and manages the entire technology stack—hardware, software, and security—within its own data center. This setup guarantees maximum control over data sovereignty and compliance, which is essential for regulated industries like finance or healthcare. Expect a significant upfront capital expenditure (CapEx) for server racks and perpetual software licenses. Your dedicated IT staff handles all operations: patching, maintenance, and disaster recovery. The trade-off is clear: you get predictable, low-latency performance and total physical access, but scaling capacity requires manual procurement and installation of new physical assets.

https://www.virtana.com/glossary/what-is-on-premises/