The "Power Mac" brand name was used for Apple's high-end tower style computers, targeted primarily at businesses and creative professionals, in differentiation to their more compact "iMac" line (intended for home use) and the "eMac" line (for the education markets). They were usually equipped with Apple's newest technologies, and commanded the highest prices among Apple desktop models.

A good place for start addressing PCI performance on power Macintosh CPUs is the PCI standard itself.

Other past Macintosh lines that have used PowerPC processors include the Macintosh Performa, iMac, iBook, and PowerBook 5300 and later models. Power Macintosh, or Power Mac, is a line of Apple Macintosh workstation-class personal computers based on various models of PowerPC.

The first models were the Power Macintosh 6100, 7100, and 8100, which offered speeds ranging from 60 to 110 MHz. The initial implementation of the PCI bus on Power Macintosh computers supports up to four peer PCI bridge connections to the main processor bus.

The Power Mac G4 models including the Power Mac G4 (AGP Graphics), Power Mac G4 (PCI Graphics), the Power Mac G4 (Gigabit Ethernet), and the Power Mac G4 (Digital Audio).

The Intel-based successor of the Power Macintosh is named the Mac Pro, in line with the renaming of their professional notebooks from PowerBook to MacBook Pro.

List of Power Mac:

PCI Power Macintosh
Power Macintosh 4400
Power Macintosh 7200
Power Macintosh 7300
Power Macintosh 7500
Power Macintosh 7600
Power Macintosh 8200
Power Macintosh 8500
Power Macintosh 8600
Power Macintosh 8600 Mach 5
Power Macintosh 9500
Power Macintosh 9600
Power Macintosh 9600 Mach 5
Power Macintosh G3 All In One (AIO)

The Power Macintosh 4400 is a high-end Macintosh personal computer designed, manufactured and sold by Apple Computer from 1996 until 1998. The Power Macintosh 4400 was rather different from most other Macintosh models, in that the floppy disk drive is on the left rather than right, and the casing is made of metal rather than plastic. Apple did this to reduce production costs, and in addition also used more industry standard components. The following Power Macintosh are different in the form and characteristics.

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