Main Page | See live article | Alphabetical index


IBM e(logo)server zSeries is the name for the System 390 (S/390) family since December 2001,the then current models being rebranded as the zSeries 900 family. They are the successors to the System/370s and more specifically the System 370/ESAs.

IBM e(logo)server zSeries 800 family : In May 2003,IBM announced [1] the zSeries 990 family,which began shipping at the end of that October.These models promised nearly three times the total system capacity,four times the memory,and over four times the I/O and networking bandwidth of the z900 family. The zSeries z990 Model D32 is currently the most powerful IBM mainframe computer,capable of over 9,000,000,000 instructions per second.

External link