I saw someone selling something similar to your first link on my local Craigslist years ago. He wanted more than I was willing to spend. There was also an SGI

I saw someone selling something similar to your first link on my local Craigslist years ago. He wanted more than I was willing to spend. There was also an SGI sever that was huge, loud, and had crazy power requirements. The price was cheap but power costs were way too much for a mortal to run.