Image Credit:  Apple Inc.

Introduced: July 27, 2010
Terminated: May 3, 2011

Logic Board
  • Standard:  2.8 GHz Intel Core i5 (I5-760)
  • Optional:  2.93 GHz Intel Core i7 (I7-875K) for $200 US
System Bus Speed:   2.5 GT/s (Direct Media Interface)
L1 Cache:   32K/32K
L2 Cache:   256K per core (2 cores)
L3 Cache:   8 MB shared
Expansion Slots:   SDXC SD Card

RAM Type:   PC3-10600 DDR3
RAM Slots:   4
Standard RAM:   4 GB
Maximum RAM:   16 GB
Minimum RAM Speed:   1333 MHz
Onboard RAM:   none

USB:   4 x USB 2.0
FireWire:   1 x 800-Mbps

  • AirPort Extreme 802.11n Wi-Fi wireless networking; IEEE 802.11a/b/g compatible
  • Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
  • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
  • Built-in IR receiver
  • Built-in iSight camera
  • Mini DisplayPort
  • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
  • Supports input from external DisplayPort sources (adapters sold separately)
  • Built-in stereo speakers with two internal 17-watt high-efficiency amplifiers
  • Built-in microphone
  • Headphone/optical digital audio output (minijack)
  • Audio line in/optical digital audio input (minijack)
  • Support for Apple iPhone headset with microphone

Graphics and Video Support
  • Built-in 27-inch (viewable) LED-backlit glossy widescreen TFT active-matrix liquid crystal display with IPS technology
Graphics Support:
  • ATI Radeon HD 5750 graphics processor with 1 GB of GDDR5 memory
  • Resolution: 2560 x 1440 pixels
  • Typical brightness: 375 cd/m
  • Can be attached to a wall mount, articulating arm, or other VESA-compliant mounting solution using the optional VESA Mount Adapter Kit
  • Millions of colors at all resolutions
  • Typical viewing angle: 178 degrees horizontal; 178 degrees vertical
  • 16:9 aspect ratio
  • 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 (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
Internal Hard Drive:
  • Standard:  1 TB 7200-rpm serial ATA hard drive
  • Optional:  2 TB 7200-rpm serial ATA hard drive
  • Optional:  256 GB solid state drive
  • Optional:  1 TB 7200-rpm serial ATA hard drive + 256 GB solid state drive
  • Optional:  2 TB 7200-rpm serial ATA hard drive + 256 GB solid state drive

Operating System
Original OS:   X v10.6.3 (Snow Leopard)

Compatible MacOS:
X v10.6.3 (Snow Leopard)
X v10.7 (Lion)

For additional information on operating systems:
See this article

Model No.:   MC511LL/A
Form Factor:   iMac (27-inch)(Late 2009)
Dimensions (Inches):   20.4 H x 25.6 W x 8.15 D
Average Weight (lbs):   30.5
Original Price:   $1999 US

Model originally shipped with Mac OS X v10.6 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 (included iPhoto, iMovie, GarageBand, and iWeb); 90 days of free telephone support and a one-year limited warranty.

What's in the box:

  • iMac
  • Apple Wireless Keyboard
  • Magic Mouse
  • Cleaning cloth
  • Power cord
  • Install/restore DVDs
  • Printed and electronic documentation

Configure-to-order options:

  • 2.93 GHz Intel Core i7
  • 8 GB Memory Upgrade (4 x 2 GB)
  • 8 GB Memory Upgrade (2 x 4 GB)
  • 16 GB Memory Upgrade (4 x 4 GB)
  • 2 TB (7200-rpm) hard drive
  • 256 GB solid state drive
  • 1 TB (7200-rpm) hard drive + 256 GB solid state drive
  • 2 TB (7200-rpm) hard drive + 256 GB solid state drive
  • Magic Trackpad
  • Apple Mouse
  • Apple Keyboard
  • Apple Keyboard with Numeric Keypad
  • Apple Battery Charger
  • Apple Remote
  • Software: iWork '09, Aperture 3, Logic Express 9, Final Cut Express 4, FileMaker, Microsoft Office, MobileMe Membership


  • Time Capsule
  • AirPort Express Base Station
  • AirPort Extreme Base Station
  • VESA Mount Adapter Kit
  • AppleCare Protection Plan
  • Apple Mini DisplayPort to DVI Adapter
  • Apple Mini DisplayPort to VGA Adapter
  • Apple Mini DisplayPort to Dual-Link DVI Adapter