IBM i Series 8233-E8B Model 750

The IBM Power 750 Express server (8233-E8B) supports up to four of the following processor cards in a rack-mount drawer configuration: 6-core 3.3 GHz (#8335) 8-core 3.0 GHz (#8334) 8-core 3.3 GHz (#8332); 8-core 3.5 GHz (#8336) 8-core 3.6 GHz (#EPA1) 6-core 3.7 GHz (#EPA2); 4-core 3.7 GHz (#EPA3) 8-core 3.2 GHz (#EPA4) The POWER7 processors in this server are 64-bit, 4-core, 6-core and 8-core modules packaged on dedicated processor cards with 4 MB of L3 cache/core and 256 KB of L2 cache/core."

The IBM 8233 Power 750 Express Server Model E8B has POWER7 processors that offer 4-core to 32-core configuration options.