A small cluster of real machines behind the office: one serves the system, one keeps the nightly copies and does the heavy work on a graphics card, one watches the cameras. Backups cross to a second box every night.
A small cluster of real machines behind the office. One serves the system; a second holds the nightly copies and carries the heavy lifting — renders, document vision, the overnight checks; the rest are the older boxes that still do a job. Everything private stays on this side of the wall, reachable only through a login.
Being fitted out. The newest node carries a graphics card for the visual work.
In daily use