For demanding graphics-rich applications, the Z Pro offers dual-socket computing power and supports up to four-core processor performance with expandable memory.
The Z Pro features flexible configurations to help meet current and future applications needs.
Leverage the Z Pro expandability for multi-threaded applications — when the time is right.
Processor Up to two Dual-Core Intel® Xeon® Processors up to3.0 GHz
and up to 1333 MHz front-side bus
Cache (max) - Up to 4MB L2
Taken from IBM IntelliStation Z Pro
PDF quick view -
Or IBM IntelliStation Z Pro Type 6221: Hardware Maintenance Manual
full guide -
I hope these match your unit - Please post back if the links are not for your model -
Thank You -