Apple Inc.
Image Credit:  Apple Inc.

Introduced: August 3, 2011
Terminated: N/A

Logic Board
Standard Processor:   Intel Core i3 (I3-2100)
Processor Speed:   3.1 GHz
System Bus Speed:   5 GT/s (Direct Media Interface)
L1 Cache:   32K/32K
L2 Cache:   256K per core (2 cores)
L3 Cache:   3 MB shared
Expansion Slots:   SDXC SD Card

RAM Type:   PC3-10600 DDR3
RAM Slots:   4
Standard RAM:   2 GB
Maximum RAM:   8 GB
Minimum RAM Speed:   1333 MHz
Onboard RAM:   none

USB:   4 x USB 2.0
FireWire:   1 x 800-Mbps
Thunderbolt:   None

  • 802.11n Wi-Fi wireless networking; IEEE 802.11a/b/g compatible
  • No international Bluetooth
  • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
  • Built-in FaceTime HD camera
  • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
  • Built-in stereo speakers
  • Two internal 20-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

Graphics and Video Support
  • 21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
Graphics Support:
  • AMD Radeon HD 6750M graphics processor with 256 MB of GDDR5 memory
  • Resolution: 1920 x 1080 pixels
  • 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 x 1600 pixels) on an external display

Optical Drive:
  • Slot-loading 8x SuperDrive with 4x double-layer burning (DVD+-R DL/DVD+-RW/CD-RW)
Internal Hard Drive:
  • Standard:  250 GB 7200-rpm serial ATA hard drive

Operating System
Original OS:   X v10.7.2 (Lion)

Compatible MacOS:
X v10.7.2 (Lion)
X v10.8 (Mountain Lion)

For additional information on operating systems:
See this article

Model No.:   MC978LL/A
Form Factor:   iMac (21.5-inch)(Late 2011)
Dimensions (Inches):   17.75 H x 20.8 W x 7.42 D
Average Weight (lbs):   19.5
Original Price:   $999 US

Apple Inc.
Image Credit:  Apple Inc.

Model originally shipped with Mac OS X v10.7 Lion (includes Mail, Address Book, iCal, the Mac App Store, iTunes, Time Machine, FaceTime, Photo Booth, Mission Control, Launchpad, AirDrop, Resume, Auto Save, Versions, Quick Look, Spotlight, QuickTime, iLife (includes iPhoto, iMovie, and GarageBand), and more); 90 days of free telephone support and a one-year limited warranty.

What's in the box:

  • iMac
  • Apple Keyboard with Numeric Keypad
  • Apple Mouse
  • Power cord
  • rinted and electronic documentation

Configure-to-order options:

  • 4 GB Memory Upgrade (2 x 2 GB)
  • 8 GB Memory Upgrade (2 x 4 GB)


  • iWork
  • Aperture
  • Logic Express
  • Final Cut Pro
  • Time Capsule
  • AirPort Express Base Station
  • AirPort Extreme Base Station
  • AppleCare Protection Plan
  • Apple Mini DisplayPort to DVI Adapter
  • Apple Mini DisplayPort to VGA Adapter
  • Apple Mini DisplayPort to Dual-Link DVI Adapter