This article comprises the technical specifications for the Power Mac G4. A description of the computer can be found in article 58435: " Power Mac G4: Description ".

Technical specifications for the Macintosh Server G4 can be found in article 58577: " Macintosh Server G4: Technical Specifications ".

Technical Specifications

All configurations include the following features (unless noted).

Processor

• 350-, 400-, 450-, or 500-MHz PowerPC G4 processor
• Velocity Engine vector processing unit with 162 integrated Single Instruction Multiple Data (SIMD) instructions
• full 128-bit internal memory data paths
• powerful new floating-point unit supporting single-cycle, double-precision calculations
• data stream prefetching operations supporting four simultaneous 32-bit data streams
• 1MB backside level 2 cache running at half the processor speed
• 100-MHz system bus supporting up to 800-MBps data throughput

• 64MB, 128MB, or 256MB of PC100 SDRAM (3.3-volt, unbuffered, 64-bit-wide, 168-pin, running at 100 MHz)
• four DIMM slots support up to 1.5GB of PC100 SDRAM (999MB maximum per application program) using the following DIMMs:
  • 32MB, 64MB, or 128MB DIMMs (64-bit-wide, 64-Mbit technology)
  • 128MB or 256MB DIMMs (64-bit-wide, 128-Mbit technology)
  • 512MB DIMMs (64-bit-wide, 256-Mbit technology)

• one of the following hard disk drives:
  • 10GB 5400-rpm Ultra ATA/33 hard disk
  • 10GB 7200-rpm Ultra ATA/66 hard disk
  • 20GB 7200-rpm Ultra ATA/66 hard disk
  • 27GB 7200-rpm Ultra ATA/66 hard disk
• one of the following optical drives:
  • 32x-speed (maximum) CD-ROM drive
  • DVD-ROM drive with DVD-Video playback
  • DVD-RAM drive with DVD-Video playback
• 100MB Zip drive (some configurations)
• three 3.5-inch hard disk drive expansion bays:
  • One ATA drive preinstalled in standard configurations
  • Support for up to two internal ATA drives
  • Support for up to three internal SCSI drives

• Three 400-Mbps FireWire ports (one internal), two external ports on the Power Mac G4 (PCI Graphics)
• Two USB ports (12 Mbps each; 24 Mbps total)

• ATI RAGE 128, or ATI Rage 128 Pro graphics card with 16MB of SDRAM graphics memory installed in a dedicated graphics slot (either a 66-MHz PCI slot or a 133-MHz AGP 2X slot)
• ATI Rage 128:
  - support for up to 1,600 x 1,200-pixel resolution at 32 bits per pixel (millions of colors) and up to 85-Hz refresh rate
  - 15-pin mini D-Sub VGA connector
• ATI Rage 128 Pro:
  - The maximum supported resolution is 1920 x 1080; 1920 x 1200 with Rage 128 Pro graphics card.
  - 15-pin mini D-Sub VGA connector, and a DVI connector for digital displays

• Apple USB Keyboard with 2-meter cable and Apple USB Mouse

• line voltage: 115V AC (90V to 132V AC) or 230V AC (180V to 264V AC)
• frequency: 47 to 63 Hz, single phase
• maximum continuous power (not including display): 200W
• EPA ENERGY STAR and Blue Angel compliant (some configurations)

• operating temperature: 50to 95F (10to 35C)
• storage temperature: -40to 116F (-40to 47C)
• relative humidity: 5% to 95% noncondensing
• maximum altitude: 10,000 feet (3,048 m)

• height: 17.0 inches (43.2 cm)
• width: 8.9 inches (22.6 cm)
• depth: 18.4 inches (46.7 cm)
• weight: 30.0 pounds (13.6 kg)