CRAMM

Cranial Random Access Memory

The most common modification for M's that are used for in more cerebral context, CRAMM allows the Machine-Mind mind to think and act faster with the information it has. 

Lab technicians, chemists, financial brokers, anyone that has to sift though a lot of data. Hell, it's become relatively common practice for individuals and groups that require a large amount of computational power to design computers and supercomputers to use the Machine-Minds of AMPss. as the central processors of the system.