They are white-box servers for Google, meaning that they were manufactured BY Dell FOR Google with Google's specific requirements - assembly is simply more cost-effective done by a server manufacturer than by Google. This means that there is NO support, NO documentation, and NO drivers/software for these machines. You will need to look at the system and determine its likely capabilities based on the hardware installed.

Thank you for your help.. Let me try to check the way to get the information from the box.