Apple iMac (21.5-inch, Mid 2011)

Technical Specifications

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Size and Weight
  • 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)
Display
  • 21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
  • Resolution: 1920 by 1080 pixels
Processor
  • 2.5GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
  • 2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
  • Configurable to 2.8GHz quad-core Intel Core i7, only at the Apple Online Store.
Memory
  • 4GB (two 2GB) of 1333MHz DDR3 memory
  • Configurable to 16GB, only at the Apple Online Store.
Storage
  • 2.5 GHz
    • 500GB (7200 rpm) hard drive
  • 2.7 GHz
    • 1TB (7200 rpm) hard drive
    • Configurable to 2TB hard drive or 256GB solid-state second drive, only at the Apple Online Store.
Graphics
  • 2.5 GHz
    • AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory
  • 2.7 GHz
    • AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory
Video Support and Camera
  • FaceTime HD camera
  • 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
  • Support for extended desktop and video mirroring modes
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 iPhone headset with microphone
Connections and Expansion
  • One Thunderbolt port
  • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
  • One FireWire 800 port; 7 watts
  • Four USB 2.0 ports
  • SDXC card slot
  • Slot-loading 8x SuperDrive with 4x double-layer burning (DVD±R DL/DVD±RW/CD-RW)
  • Audio in/out
  • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
  • IR receiver
Input
  • Apple Wireless Keyboard
  • Magic Mouse
  • Magic Trackpad
Wireless
  • Wi-Fi
    • 802.11n Wi-Fi wireless networking;2 IEEE
    • 802.11a/b/g compatible
  • Bluetooth
    • Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
Electrical and Operating Requirements
  • Line voltage: 100-240V AC
  • Frequency: 50Hz to 60Hz, single phase
  • Maximum continuous power: 205W
  • 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
In the Box
  • iMac
  • Apple Wireless Keyboard
  • Apple Magic Mouse
  • Power cord
  • Install/restore DVDs
  • Printed and electronic documentation