2003 PowerMac 7,2
2004 PowerMac 7,3
2004 PowerMac 9,1
2005 PowerMac 7,3 update
2005 PowerMac 11,2
2006 Mac Pro 1,1
2007 Mac Pro 2,1
2008 Mac Pro 3,1
2009 Mac Pro 4,1
2010 Mac Pro 5,1
2013 Mac Pro 6,1
going back further, between 1999 and 2002, 5 updates to the Powermac G4
BULLSH*T! The topic on hand here is that under Cook the Mac Pro has only seen one major redesign
back in 2013 and since then not 1 single part has been changed NOR updated (CPU, clock cycle, RAM, or Video Card updated, NADDA!)
Power Macintosh G3 233 Desktop
Intro. November 10, 1997
Power Macintosh G3 233/266 Minitower/Desktop
Intro. November 10, 1997
Power Macintosh G3 300 Desktop
Intro. March 17, 1998
Power Macintosh G3 333 Minitower
Intro. August 12, 1998
Power Macintosh G3 233 All-in-One*
Intro. March 31, 1998
* Hmm. VERY curious ... a Mac Pro All-In-One?
Would anyone buy into this if the LCD can be repaired separately and still use external displays?
Power Macintosh G3 300 (Blue & White)
Intro. January 5, 1999
Power Macintosh G3 450 (Blue & White)
Intro. June 1, 1999
Power Macintosh G4 400 (PCI)
Intro. August 31, 1999
Power Macintosh G4 350 (PCI)
Intro. October 13, 1999
Power Macintosh G4 350/400 (AGP)
Intro. December 2, 1999
Power Macintosh G4 400/450DP/500DP (Gigabit)
Power Macintosh G4 450 Cube
Intro. July 19, 2000
Power Macintosh G4 466/533/667/733 (Digital Audio)
Intro. January 9, 2001
Power Macintosh G4 733/867/800 DP (Quicksilver) - 1st owned
Intro. July 18, 2001
Power Macintosh G4 800/933/1Ghz DP (QS 2002)
Intro. January 28, 2002
Power Macintosh G4 867/1Ghz/1.25Ghz DP (MDD)
Intro. August 13, 2002
Power Macintosh G4 1.0/1.25/1.42Ghz (FW 800)
Intro. January 28, 2003
Power Macintosh G4 1.25 (MDD 2003)
Intro. June 23, 2003
PowerPC 970 (G5)
Power Macintosh G5 1.6(PCI)/1.8/2Ghz DP (PCI-X)
Intro. June 23, 2003
PowerPC 970fx (G5) x2
Power Macintosh G5 1.8 DP (PCI-X)
Intro. November 18, 2003
Power Macintosh G5 1.8/2.0/2.5 DP (PCI)
Intro. June 9, 2004
NOTHING here changed just "new pricing" of bottom end offerings changed.
Power Macintosh G5 1.8 (PCI) - Sub-refresh
Intro. October 19, 2004
Power Macintosh G5 2.0 DP (PCI)- Sub-refresh
Intro. April 27, 2005
Power Macintosh G5 2.3/2.7 DP (PCI-X)
Intro. April 27, 2005
PowerPC 970MP (G5)
Power Macintosh G5 Dual Core (2.0)/(2.3)
Power Macintosh G5 "Quad Core" (2.5) - PowerPC 970MP (G5) x2
Intro. October 19, 2005
Core Xeon 5130 x2
Mac Pro "Quad Core" 2.0/2.66/3.0 (Original)
Intro. August 7, 2006*
Core Xeon X5365 x2
Mac Pro "Eight Core" 3.0 (2,1)
Intro. April 4, 2007*
Core Xeon E5462
Mac Pro "Quad Core" 2.8 (2008)
Intro. January 8, 2008
Core Xeon W3580
Mac Pro "Quad Core" 2.66/2.93/3.33 (2009/Nehalem)
Intro. March 3, 2009
Core Xeon E5520 x2
Mac Pro "Eight Core" 2.26 (2009/Nehalem)
Intro. March 3, 2009
Core Xeon W3530
Mac Pro "Quad Core" 2.8/3.2/3.33 (2010/Nehalem)
Intro. July 27, 2010*
Core Xeon X5650 x2
Mac Pro "Twelve Core" 2.66 (2010/Westmere)
Intro. July 27, 2010*
Core Xeon X5670 x2
Mac Pro "Twelve Core" 2.93 (2010/Westmere)
Intro. July 27, 2010*
Core Xeon W3530 - Core Xeon E5620 x2 [8-Core 2.4Ghz Server 2010]
Mac Pro "Quad Core" 2.8 (Server 2010)
Intro. November 5, 2010
Core Xeon W3565 > Core Xeon X5675 x2
Mac Pro "Quad Core" 3.2 (2012/Nehalem)
Intro. June 11, 2012
Q. Core Xeon E5-1620v2
Mac Pro "Quad Core" 3.7 (Late 2013)
Intro. October 22, 2013
6 Core Xeon E5-1650v2
Mac Pro "Six Core" 3.5 (Late 2013)
Intro. October 22, 2013
6 Core Xeon E5-1680v2
Mac Pro "Eight Core" 3.0 (Late 2013)
Intro. October 22, 2013
Core Xeon E5-2697v2
Mac Pro "Twelve Core" 2.7 (Late 2013)
Intro. October 22, 2013
Sources: itemize for PowerMac & Mac Pro
http://www.everymac.com/systems/apple/mac_pro/index-macpro.html