I worked at a small ISP/web host in the late 90s. A very common web server at the time was a cheap white box PC running Windows NT and IIS. We had many of these

I worked at a small ISP/web host in the late 90s. A very common web server at the time was a cheap white box PC running Windows NT and IIS. We had many of these systems on this interesting “rack” that was more like a multi level table or three d chess board. These systems could handle a ton of traffic very reliably. Consider that there was very little dynamic content and what there was barely taxed the CPU at all (e.g. a Perl CGI script to query and display some tiny amount of data from (LOL!) an Access database.