A Pentium Pro CPU chip or to a PC that uses it. The term has also been used for non-Intel CPUs that are Pentium Pro compatible, such as the K6 from AMD. See P6 class and Pentium.
"Pentium Pro class." YourDictionary, n.d. Web. 06 June 2018. <http://www.yourdictionary.com/pentium-pro-class>.
Pentium Pro class. (n.d.). Retrieved June 06th, 2018, from http://www.yourdictionary.com/pentium-pro-class