Here's the description showed along with the system.

First Google Production Server
Google, Inc., United States

With limited funds, Google founders Lary Page and Sergey Brin initially deployed this system of inexpensive, interconnected PCs to procss many thousands of search requests per second from Google users. This hardware system reflected the Google search algorithm itself, which is based on tolerating multiple computer failures and optimizing around them.

This production server was one of about thirty such racks in the first Google data center. Even though many of the installed PCs never worked and were difficult to repair, these racks provided Google with its first large-scale computing system and allowed the company to grow quickly and at minimal cost.

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