Microprocessor clock speed: The microprocessor clock frequency is either 466 or 533 MHz.
Memory caches: The G4 microprocessor in the 466 MHz and 533 MHz configurations has an external 1 MB level 2 cache.
Bus clock speed: The system bus and the memory bus have a clock frequency of 133 MHz.
PCI card expansion slots: The Power Mac G4 computer has four expansion slots for PCI cards in addition to the AGP video card slot.
Memory Expansion slots: There are three slots for PC-133 memory DIMMs. Refer to article 58763 "Power Mac G4 (Digital Audio): Requires PC-133 Memory" for more information.
Optical drive: The computer comes with a built-in optical media drive, either CD-RW or DVD-R/CD-RW. A DVD-ROM drive is also available.
Zip drive: All configurations can accept an optional 250 MB ATAPI Zip drive.
Graphics card: The graphics card in the AGP-4x slot is either an ATI RAGE 128 Pro or NVIDIA GeForce2 MX.
Sound: The computer has a built-in speaker, a headphone sound output port, and an Apple speaker sound output port. More information is available in article 58764: "Power Mac G4 (Digital Audio): Sound Output Ports".