Apple iMac (Early 2009)

Technical Specifications

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Size and weight
  • 20-inch iMac
    • Height: 18.5 inches (46.9 cm)
    • Width: 19.1 inches (48.5 cm)
    • Depth: 7.4 inches (18.9 cm)
    • Weight: 20 pounds (9.1 kg)
  • 24-inch iMac
    • Height: 20.5 inches (52.0 cm)
    • Width: 22.4 inches (56.9 cm)
    • Depth: 8.1 inches (20.7 cm)
    • Weight: 25.4 pounds (11.5 kg)
Connections and expansion
  • One FireWire 800 port; 7 watts
  • Total of six USB 2.0 ports: four ports on computer, two ports on wired keyboard
Communications
  • Built-in AirPort Extreme Wi-Fi wireless networking (based on IEEE 802.11n draft specification);2 IEEE 802.11a/b/g compatible
  • Built-in Bluetooth 2.1 + EDR (Enhanced Data Rate)
  • Built-in 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Audio
  • Built-in stereo speakers
  • Internal 24-watt digital amplifier
  • Headphone/optical digital audio output (minijack)
  • Audio line in/optical digital audio input (minijack)
  • Built-in microphone
  • Support for Apple Stereo Headset with microphone
Display
  • Built-in 20-inch (viewable) or 24-inch (viewable) glossy widescreen TFT active-matrix liquid crystal display
  • Resolution
    • 20-inch model: 1680 by 1050 pixels
    • 24-inch models: 1920 by 1200 pixels
  • Millions of colors at all resolutions
  • Typical viewing angle
    • 20-inch model:
      • 160° horizontal
      • 160° vertical
    • 24-inch models:
      • 178° horizontal
      • 178° vertical
  • Typical brightness: 290 cd/m2 (20-inch model); 385 cd/m2 (24-inch models)
  • Typical contrast ratio: 800:1 (20-inch model); 750:1 (24-inch models)
Graphics and video support
  • 20-inch and 24-inch model with 2.66GHz processor
    • NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memory3
  • 24-inch model with 2.93GHz processor, one of the following:
    • NVIDIA GeForce GT 120 graphics processor with 256MB of GDDR3 memory
    • NVIDIA GeForce GT 130 graphics processor with 512MB of GDDR3 memory
    • ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory
  • 24-inch model with 3.06GHz processor, one of the following:
    • NVIDIA GeForce GT 130 graphics processor with 512MB of GDDR3 memory
    • ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory
  • Mini DisplayPort output port with support for DVI, VGA, and dual-link DVI via adapter4
  • Built-in iSight camera
  • Support for extended desktop and video mirroring modes
  • Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display
Processor and memory
  • 2.66GHz, 2.93GHz, or 3.06GHz Intel Core 2 Duo processor
  • 6MB shared L2 cache at full processor speed
  • 1066MHz frontside bus
  • 2GB (two 1GB SO-DIMMs) or 4GB (two 2GB SO-DIMMs) of 1066MHz DDR3 SDRAM; two SO-DIMM slots support up to 8GB
Storage Hard drive
  • 20-inch model with 2.66GHz processor
    • 320GB 7200-rpm Serial ATA hard drive5
    • Optional 640GB or 1TB 7200-rpm Serial ATA hard drive
  • 24-inch model with 2.66GHz or 2.93GHz processor
    • 640GB 7200-rpm Serial ATA hard drive
    • Optional 1TB 7200-rpm Serial ATA hard drive
  • 24-inch model with 3.06GHz processor
    • 1TB 7200-rpm Serial ATA hard drive
Optical drive
  • Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
    • Writes DVD+R DL and DVD-R DL discs at up to 4x speed
    • Writes DVD-R and DVD+R discs at up to 8x speed
    • Writes DVD-RW discs at up to 6x speed and DVD+RW discs at up to 8x speed
    • Reads DVDs at up to 8x speed
    • Writes CD-R discs at up to 24x speed
    • Writes CD-RW discs at up to 16x speed
    • Reads CDs at up to 24x speed
Electrical and operating requirements
  • Line voltage: 100-240V AC
  • Frequency: 50Hz to 60Hz, single phase
  • Maximum continuous power: 200W (20-inch model); 280W (24-inch models)
  • Operating temperature: 50° to 95° F (10° to 35° C)
  • Storage temperature: -40° to 185° F (-40° to 85° C)
  • Relative humidity: 5% to 95% noncondensing
  • Maximum altitude: 10,000 feet
What’s in the box
  • iMac
  • Apple Keyboard
  • Mighty Mouse
  • Cleaning cloth
  • Power cord
  • Install/restore DVDs
  • Printed and electronic documentation