[dexterous]

Originally codenamed Project Blackbox, they were eventually released as the Sun Modular Mobile Data Center (MDC)[https://en.wikipedia.org/wiki/Sun_Modular_Datacenter]. Famously, The Internet Archive runs off of one [ https://upload.wikimedia.org/wikipedia/commons/thumb/e/eb/In...].

AFAIK they weren't built out of repurposed containers, but new ones. But I could be wrong.