Take a tour of the IBM z15 system, including details and photos of the machine's key components.

This post details the IBM z15 mainframe, highlighting its new 19" rack form factor, scalability from one to four frames, and internal components. It specifies up to 190 processors, 40TB of RAM, and 60 PCIe control units in a fully loaded configuration. Key components discussed include the Single Chip Module with 12 cores and on-chip compression/encryption, the Central Processor Complex (CPC) drawers housing processors and memory, and the Crypto Express7S cryptographic accelerator card. The post also contrasts air-cooled and water-cooled options and mentions the massive heatsink.