IBM's mainframe has gone through many name changes reflecting advancements in the technology.
   The word mainframe captures an impressive history.
   The latest IBM mainframe is a z14 with technical DNA from 50+ years of advancements.

• 171 5+ GHz customer usable processors
• 32 TB of memory - Yes that is TeraBytes of processing memory for programs and data
• 1000+ adapters each with dedicated processors and memory for disk and network I/0 traffic
• 5 levels of internal cache - each cache has large memory sizes
• 832 GB/second throughput
• Running thousands of operating systems concurrently without any extra network cables or power supplies
• Network delay between the operating systems is near zero
• Supports 5 unique operating systems, z/OS, z/VM, Linux, z/TPF, z/VSE, and KVM
• Unparalleled security and encryption capability
• A machine made for handling today's massive amount of data and providing real time analytics

Next: Welcome

Optional:
Hear the story from Connor, a high school student, who decided to buy a near 20 year old IBM mainframe, moved it to his parents basement, and made it work.
I Just Bought an IBM z890 - Now What?

Connor now works for IBM on IBM Z technology