Hardware requirements are identical to the ones for operating systems that the software product is running at.
Supported operating systems
Windows Server 2008 SP2 32/64bit (with KB980368 update installed)
Windows Server 2008 R2 SP1
Windows Server 2012/2012 R2
Windows Server 2016
Windows Server 2019
Indeed CM Server installation requirements
Internet Information Services 7.0 and higher, with the following modules:
Use PowerShell script from the installation package (\IIS.Setup.Scripts) for quick installation of Internet Information Services with necessary modules.