The Intel Pentium Pro was released in the following speeds:
133Mhz,150Mhz, 166Mhz, 180Mhz, 200Mhz

With it’s distinctive large gold heatspreader, the Pentium Pro remains the physically largest ceramic processor mass-produced by Intel.
Introduced in 1995, it’s Intel’s sixth-generation x86-based microprocessor. While the Pentium and Pentium MMX had 3.1 and 4.5 million
transistors respectively, the Pentium Pro contained 5.5 million transistors. It was mainly used in servers, high-end desktops and supercomputers
like ASCI Red. The Pentium Pro was capable of both dual- and quad-processor configurations.