IBM is about to announce a new mainframe based on the z9 but aimed at shops who don';t need all the power of its flagship systems. There';s a lot of speculation about what this system will offer. Here is our guess:
| SPECIFICATION | z890 | POLLUX | z9 |
|---|---|---|---|
| Single Engine MIPS | 366 | 600 | 600 |
| Max System z MIPS | 1365 | 1800 | 2286 |
| z Engines | 1 - 4 | 1 - 4 | 1 - 54 |
| Total User Engines | 5 | 8 | 54 |
| Max Coprocessor Engines | 2 | 4 | 27 |
| Max Main Memory | 32 GB | 128 GB | 512 GB |
| Max ESCON Channels | 420 | 512 | 1024 |
| Max FICON Channels | 40 | 80 (200 FE2) | 200 (336 FE2) |