21.5-inch iMac

• Height: 17.75 inches (45.1 cm)
  
• Width: 20.8 inches (52.8 cm)
  
• Depth: 7.42 inches (18.85 cm)
  
• Weight: 20.5 pounds (9.3 kg)
  

27-inch iMac

• Height:20.4 inches (51.7 cm)
  
• Width:25.6 inches (65.0 cm)
  
• Depth:8.15 inches (20.7 cm)
  
• >Weight:30.5 pounds (13.8 kg)
  

• One FireWire 800 port; 7 watts
• Four USB 2.0 ports
• SDXC card slot
  

• Built-in AirPort Extreme 802.11n Wi-Fi wireless networking;2 IEEE 802.11a/b/g compatible
  
  

• Built-in Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
  
• Built-in 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Audio

• Built-in stereo speakers
  
  
• Two internal 17-watt high-efficiency amplifiers
  
  
• Headphone/optical digital audio output (minijack)
  
  
• Audio line in/optical digital audio input (minijack)
  
  
• Built-in microphone
  
  
• Support for Apple Stereo Headset with microphone
  

Environmental Status Report

iMac is designed with the following features to reduce its environmental impact:

• Arsenic-free display glass
  
  
• BFR-free
  
  
• PVC-free
  
  
• Highly recyclable aluminum and glass enclosures
  
  
• Meets ENERGY STAR 5.0 requirements
  
  
• Rated EPEAT Gold

21.5-inch iMac
Built-in 21.5-inch (viewable) LED-backlit glossy widescreen TFT active-matrix liquid crystal display with IPS technology

• Resolution: 1920 by 1080 pixels
• Typical brightness: 330 cd/m

• Built-in 27-inch (viewable) LED-backlit glossy widescreen TFT active-matrix liquid crystal display with IPS technology
• Resolution: 2560 by 1440 pixels
• Typical brightness: 375 cd/m2
• Can be attached to a wall mount, articulating arm, or other VESA-compliant mounting solution using the optional VESA Mount Adapter Kit

All models

• Millions of colors at all resolutions
• Typical viewing angle: 178° horizontal; 178° vertical
• 16:9 aspect ratio

Graphics and video support

21.5-inch models, one of the following:

• ATI Radeon HD 4670
  graphics processor with 256MB
  of GDDR3 memory
• ATI Radeon HD 5670
  graphics processor with 512MB
  of GDDR3 memory

27-inch model with dual-core processor:

• ATI Radeon HD 5670 graphics processor with 512MB of GDDR3 memory

27-inch model with quad-core processor:

• ATI Radeon HD 5750 graphics processor with 1GB of GDDR5 memory
  
  
• Built-in iSight camera
  
  
  
  
• Mini Display Port output with support for DVI, VGA, and dual-link DVI (adapters sold separately); 27-inch models also support input from external DisplayPort sources (adapters sold separately)
  
  
• 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
  

Mac OS X Snow Leopard

• Includes iTunes, Time Machine, Quick Look, Spaces, Spotlight, Dashboard, Mail, iChat, Safari, Address Book, QuickTime, iCal, DVD Player, Photo Booth, Front Row, Xcode Developer Tools, and more.
  

iLife ’09

• Includes iPhoto, iMovie, iDVD, iWeb, GarageBand)

21.5-inch models, one of the following:

• 3.06GHz Intel Core i3 processor with 4MB level 3 cache; supports Hyper-Threading
• 3.2GHz Intel Core i3 processor with 4MB level 3 cache; supports Hyper-Threading
• 3.6GHz Intel Core i5 processor with 4MB level 3 cache; supports Hyper-Threading and Turbo Boost
  

27-inch models, one of the following:

• 3.2GHz Intel Core i3 processor with 4MB level 3 cache; supports Hyper-Threading
• 3.6GHz Intel Core i5 processor with 4MB level 3 cache; supports Hyper-Threading and Turbo Boost
• 2.8GHz Quad-Core Intel Core i5 processor with 8MB level 3 cache; supports Turbo Boost
• 2.93GHz Quad-Core Intel Core i7 processor with 8MB level 3 cache; supports Hyper-Threading and Turbo Boost
• 4GB (two 2GB SO-DIMMs) of 1333MHz DDR3 SDRAM; four SO-DIMM slots support up to 16GB

Storage

21.5-inch models:

• 500GB or 1TB 7200-rpm Serial ATA hard drive
  
• Optional 2TB 7200-rpm Serial ATA hard drive for iMac with ATI Radeon 4670
  

27-inch models:

• 1TB 7200-rpm Serial ATA hard drive
  
• Optional 2TB 7200-rpm Serial ATA hard drive

Optical drive

• 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: 241W (21.5-inch models); 365W (27-inch models)
• Operating temperature: 50° to 95° F (10° to 35° C)
• Storage temperature: -4° to 116° F (-20° to 47° C)
• Relative humidity: 5% to 95% noncondensing
• Maximum altitude: 10,000 feet
• Typical acoustical performance
  • Sound pressure level (operator position): 18 dBA at idle