IBM System z9 Mainframe CPU MCM – 95mm Ceramic Multi-Chip Module – 16-Die z9 EC

IBM 4381 MCM Multi-Chip Module Vintage Mainframe CPU Excellent Condition W/Cover

IBM 3081 Mainframe/Supercomputer TCM/MCM Museum CPU/Processor White/Gold RARE!!!

Vintage Rare Ferrite Core Memory Module Soviet ES-1030 Mainframe USSR Computer

IBM S-390 MultiPrise 3100 Mainframe/Supercomputer TCM/MCM Vintage CPU White/Gold

Ceramic Gold Rare Retro Vintage IBM Mainframe Gate Array SLT Module/Board 10x IC

IBM 21F5758 AS400 Series Midrange Rackmount Computer QC-1000 Tape Drive and Key

2 x Vintage IBM Mainframe Computer Plugboards