【Hitachi】 HITAC M-600 Series

The M-600 Series was a line of general-purpose machines, with improved performance and functionality, developed as the successor of the M-200 Series.

The series was comprised of the M-68X Processor Group of ultra-large machines, the M-66X Processor Group of large machines, and the M-620/M-630/M-640 Processor Group of small/mid-size machines.