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iMac (27-inch, Late 2009) - Technical Specifications

Processor and memory

  • 3.06GHz Intel Core 2 Duo processor with 3MB shared L2 cache
    3.33GHz Intel Core 2 Duo processor with 6MB shared L2 cache
  • 2.66GHz quad-core Intel Core i5 processor with 8MB shared L3 cache; Turbo Boost dynamic performance up to 3.2GHz
    2.8GHz quad-core Intel Core i7 processor with 8MB shared L3 cache; Turbo Boost dynamic performance up to 3.46GHz; Hyper-Threading for up to eight virtual cores

4GB (two 2GB SO-DIMMs) of 1066MHz DDR3 SDRAM; four SO-DIMM slots support up to 16GB

Size and weight

  • 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)1

Connections and expansion

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

Communications

  • 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)
  • 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-free5
  • Highly recyclable aluminum and glass enclosures
  • Meets ENERGY STAR 5.0 requirements
  • Rated EPEAT Gold

Acoustic Performance

DECLARED NOISE EMISSIONS in accordance with ISO 9296

  Sound Power Level
LWAd (B)
1 B = 10 dB
Sound Pressure Level
Operator Position
LpAm (dB)
27-inch, 3.06 GHz 27-inch, 2.66 GHz 27-inch, 3.06 GHz 27-inch, 2.66 GHz
Idle 3.0 3.0 17 17
Hard drive accessing 3.1 3.0 18 17
CD drive accessing no value no value no value no value
  1. LWAd is the statistical upper-limit A-weighted sound power level (rounded to the nearest 0.1 B).
  2. LpAm is the mean A-weighted sound pressure level measured at the operator position (rounded to the nearest dB).
  3. 1 B (bel) = 10 dB (decibel).

Display

  • Built-in 27-inch (viewable) LED-backlit glossy widescreen TFT active-matrix liquid crystal display with IPS technology
  • Resolution: 2560 by 1440 pixels
  • 16:9 aspect ratio
  • Millions of colors at all resolutions
  • Typical viewing angle: 178° horizontal; 178° vertical
  • Typical brightness: 375 cd/m2
  • 27-inch model can be attached to a wall mount, articulating arm, or other VESA-compliant mounting solution using the optional VESA Mount Adapter Kit

Graphics and video support

  • 3.06GHz
    ATI Radeon HD 4670 graphics processor with 256MB of GDDR3 memory
    ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory
  • 2.66GHz
    ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory
  • Built-in iSight camera
  • Mini DisplayPort output port 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

Software

  • 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)
  • iLife ’09 (includes iPhoto, iMovie, iDVD, iWeb, GarageBand)

Storage4

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

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

Electrical and operating requirements

  • Line voltage: 100-240V AC
  • Frequency: 50Hz to 60Hz, single phase
  • Maximum continuous power: 365W
  • 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 idle6

What’s included

In the box:

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

Included software:

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

Includes iPhoto, iMovie, GarageBand, and iWeb.

Accessories

Mac Software

  • iWork ’09
  • Aperture
  • Logic Express
  • Final Cut Express

Displays and Graphics

  • Apple Mini DisplayPort to DVI Adapter
  • Apple Mini DisplayPort to VGA Adapter
  • Apple Mini DisplayPort to Dual-Link DVI Adapter

AirPort & Wireless

  • Time Capsule
  • AirPort Express Base Station
  • AirPort Extreme Base Station

Other Accessories

  • VESA Mount Adapter Kit
  • AppleCare Protection Plan

  1. Weight varies by configuration and manufacturing process.
  2. Wireless Internet access requires a wireless access point and Internet access; fees may apply.
  3. Memory available to Mac OS X may vary depending on graphics needs. Minimum graphics memory usage is 256MB.
  4. 1GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less.
  5. PVC-free external cables in North America only.
  6. Acoustics measured on standard 27-inch iMac systems with 3.06GHz Intel Core 2 Duo processors. Acoustics may vary by configuration.
Last Modified: Dec 17, 2013
  • Last Modified: Dec 17, 2013
  • Article: SP696
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