Power Mac G4 (Cube) - Technical Specifications

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Power Mac G4 (Cube) - Technical Specifications
Processor 450-MHz or 500-MHz PowerPC G4
Memory 128MB, 256MB, 384MB, 512MB, 768MB, 1GB, or 1.5GB2
Graphics ATI RAGE 128 Pro with 16MB of SDRAM, NVIDIA GeForce2 MX with 32MB of SDRAM, or ATI RADEON with 32MB of DDR RAM
Hard disk drives 20GB Ultra ATA/66 (5400 rpm), 40GB Ultra ATA/66 (5400 rpm), or 60GB Ultra ATA/66 (7200 rpm)3
Optical drives CD-RW or DVD-ROM
Communications AirPort Card, AirPort Base Station
Audio Harman Kardon SoundSticks speakers and subwoofer
Technical Specifications


  • 450-MHz PowerPC G4 processor
  • Velocity Engine vector processing unit
  • Full 128-bit internal memory data paths
  • Powerful floating-point unit supporting single-cycle, double-precision calculations
  • Data stream prefetching operations supporting four simultaneous 32-bit streams
  • 1MB backside level 2 cache running at 225 MHz
  • 100-MHz system bus supporting up to 800-MBps data throughput


  • 128MB of PC100 SDRAM
  • Three DIMM slots support up to 1.5GB of PC100 SDRAM2 using up to 1.38-inch (35-mm) DIMMs, as follows: 
    —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)


  • 20GB 5400-rpm Ultra ATA/66 hard disk drive3
  • Slot-loading CD-RW drive
  • Support for external FireWire and USB storage devices

Graphics support

  • ATI RAGE 128 Pro graphics card with 16MB of SDRAM graphics memory installed in a dedicated AGP 2X graphics slot
  • Support for up to 1920-by-1200-pixel resolution at 32 bits per pixel (millions of colors)
  • Apple Display Connector (ADC); carries analog and digital video, USB, and power
  • 15-pin mini D-Sub VGA connector


  • 10/100BASE-T Ethernet connector (RJ-45)
  • Built-in 56K V.90 modem card5
  • Optional 11-Mbps AirPort Card; IEEE 802.11 DSSS compliant4
  • Optional AirPort Base Station containing 56K modem and 10BASE-T Ethernet port4

Peripheral connections

  • Two 400-Mbps FireWire (IEEE 1394) ports,6 12W total power; includes 4-pin-to-6-pin FireWire cable for connecting DV camera
  • Two USB ports (12 Mbps each)

Speakers and audio

  • Digital amplifier and speakers with Harman Kardon audio technology 
    —Total power output: 20W 
    —Frequency response: 80 Hz to 20 kHz 
    —Single USB cable carries both power and audio; plugs into USB port on the G4 Cube or a display with ADC 
    —Removable covers protect speaker cones 
    —Digital amplifier module includes locking loop for theft prevention and minijack for connecting stereo headphones
  • Support for external third-party FireWire and USB digital audio peripherals such as microphones, speakers, and MIDI devices

Keyboard and mouse

  • Apple Pro Keyboard with full-size function and navigation keys, audio controls, and media-eject key
  • Apple Pro Mouse with optical sensor for precision cursor control

Electrical requirements and agency approvals

  • 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: 205W
  • U.S. EPA ENERGY STAR compliant

Environmental requirements

  • Operating temperature: 50° to 95° F (10° to 35° C)
  • Storage temperature: –40° to 116° F (–40° to 47° C)
  • Relative humidity: 5% to 95% noncondensing
  • Altitude: 0 to 10,000 feet

Size and weight

  • Height: 9.8 inches (24.8 cm)
  • Width: 7.7 inches (19.5 cm)
  • Depth: 7.7 inches (19.5 cm)
  • Weight: Approximately 14 pounds (6.4 kg)7
  1. iTunes is licensed for reproduction of noncopyrighted materials or materials the user is legally permitted to reproduce.
  2. 999MB maximum per application in Mac OS 9.
  3. For hard drive capacity measurements, 1GB = 1 billion bytes; actual formatted capacity less.
  4. Wireless Internet access requires AirPort Card, AirPort Base Station, and Internet access (fees may apply). Some ISPs are not currently compatible with AirPort, including America Online. Range may vary with site conditions.
  5. Actual modem speeds lower; speed depends on connection rate and other factors.
  6. Actual rates will vary.
  7. Weight varies depending on configuration and manufacturing process.

Published Date: Apr 6, 2016