21.5-inch iMac 27-inch iMac

Display

High-resolution LED-backlit glossy widescreen display with support for millions of colors.
  • 21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
  • Resolution: 1920 by 1080 pixels
  • 27-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
  • Resolution: 2560 by 1440 pixels

Processor and Memory

Powered by a quad-core Intel Core i5 processor and DDR3 memory.

Processor

2.5GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache

Processor

2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache

Processor

2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache

Processor

3.1GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache

Memory

  • 4GB (two 2GB) of 1333MHz DDR3 memory

Storage

500GB or 1TB hard drive.1
500GB

500GB (7200 rpm) hard drive
1TB

1TB (7200 rpm) hard drive
1TB

1TB (7200 rpm) hard drive
1TB

1TB (7200 rpm) hard drive

Graphics

Advanced AMD Radeon HD discrete graphics.

AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory

AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory

AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory

AMD Radeon HD 6970M graphics processor with 1GB of GDDR5 memory

Video Support and Camera

Built-in FaceTime HD 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, built-in microphone, and headphone minijack.
  • 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

SuperDrive, SDXC card slot, audio in, audio out, USB 2.0, FireWire 800, Thunderbolt, Gigabit Ethernet.
  • One Thunderbolt port on 21.5-inch iMac
  • Two Thunderbolt ports on 27-inch iMac
  • 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 and Magic Mouse or Magic Trackpad.

Apple Wireless Keyboard

Full-size keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys, 4 arrow keys (inverted “T” arrangement), and embedded numeric keypad

Magic Mouse

Smooth, seamless Multi-Touch surface with support for simple gestures (scrolling and swiping). Click and double-click anywhere. Ambidextrous construction accommodates left- and right-handed users.

Magic Trackpad

Solid-state scrolling trackpad for precise cursor control; supports inertial scrolling, pinch and expand, swipe, three-finger swipe, four-finger swipe, tap, double-tap, rotate, screen zoom, scroll, click and drag, click drag and lock, secondary click A and B

Wireless

Latest Wi-Fi and Bluetooth technologies.

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

Size and Weight

An all-in-one design for a small footprint.
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)3
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)3

Electrical and Operating Requirements
  • Line voltage: 100-240V AC
  • Frequency: 50Hz to 60Hz, single phase
  • Maximum continuous power: 205W (21.5-inch models); 310W (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 idle4

Limited Warranty and Service

Your iMac comes with 90 days of free telephone support and a one-year limited warranty. Purchase the AppleCare Protection Plan to extend your service and support to three years from your computer’s purchase date. Only the AppleCare Protection Plan provides you with direct telephone support from Apple technical experts and the assurance that repairs will be handled by Apple-authorized technicians using genuine Apple parts. For more information, visit Apple support.

Environmental Status Report

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

  • Arsenic-free display glass
  • BFR-free
  • PVC-free5
  • Mercury-free LED-backlit display
  • Highly recyclable aluminum and glass enclosures
  • Meets ENERGY STAR 5.2 requirements
  • Rated EPEAT Gold6

Apple and the Global Environment

Learn more about Apple’s dedication to reducing the environmental impact of our products and process. The Apple Product Environmental Specification details the environmental attributes of our products.

In the Box
  • iMac
  • Apple Wireless Keyboard
  • Apple Magic Mouse
  • Power cord
  • Printed and electronic documentation

Included Software

OS X Lion

Includes Mail, Address Book, iCal, the Mac App Store, iTunes, Safari, Time Machine, FaceTime, Photo Booth, Mission Control, Launchpad, AirDrop, Resume, Auto Save, Versions, Quick Look, Spotlight, QuickTime, and more. Learn more about OS X Lion

iLife

Includes iPhoto, iMovie, and GarageBand Learn more about iLife

Accessories

Mac Software

Displays and Graphics

AirPort and Wireless

Other Accessories

  1. 1GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less.
  2. Wireless Internet access requires a wireless access point and Internet access; fees may apply.
  3. Weight varies by configuration and manufacturing process.
  4. Acoustics measured on standard 21.5- and 27-inch iMac systems. Acoustics may vary by configuration.
  5. PVC-free AC power cord is available in the U.S., Canada, Mexico, Colombia, El Salvador, Guatemala, Panama, Peru, Puerto Rico, U.S. Virgin Islands, and Venezuela.
  6. iMac achieved a Gold rating from EPEAT in the U.S. and Canada.