The Power Mac G5 Models

 Power Mac G5 (Original)Power Mac G5 (June 2004)Power Mac G5 (Late 2004)Power Mac G5 (Early 2005)
IntroducedJune 2003June 2004October 2004April 2005
Mac OS (minimum)Mac OS X 10.2.7Mac OS X 10.3.4Mac OS X 10.3.5Max OS X 10.4
Technical specificationsKnowledge Base document 300355N/A[*]N/A[*]N/A[*]
Processor1.6 GHz G5

1.8 GHz G5

Dual 2.0 GHz G5
Dual 1.8 GHz G5

Dual 2.0 GHz G5

Dual 2.5 GHz G5
1.8 GHz G5Dual 2.0 GHz G5 Dual 2.3 GHz G5 Dual 2.7 GHz G5
Cache512 KB on-chip L2 per processor512 KB on-chip L2 per processor256 KB on-chip L2512 KB on-chip L2 per processor
Memory4 PC2700 DIMM slots 8 PC3200 DIMM slots4 or 8 PC3200 DIMM slots4 or 8 PC3200 DIMM slots4 or 8 PC3200 DIMM slots
Hard disk80 GB Serial ATA 160 GB Serial ATA80 GB Serial ...

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