iMac (21.5-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
12GB up to 16GB

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)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)
Idle 3.0 16
Hard drive accessing 3.0 17
CD drive accessing no value no value
LWAd is the statistical upper-limit A-weighted sound power level (rounded to the nearest 0.1 B).
LpAm is the mean A-weighted sound pressure level measured at the operator position (rounded to the nearest dB).
1 B (bel) = 10 dB (decibel).
Display

Built-in 21.5-inch (viewable) LED-backlit glossy widescreen TFT active-matrix liquid crystal display with IPS technology
Resolution: 1920 by 1080 pixels
16:9 aspect ratio
Millions of colors at all resolutions
Typical viewing angle: 178° horizontal; 178° vertical
Typical brightness: 320 cd/m2
Graphics and video support

NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memory3
Built-in iSight camera
Mini DisplayPort output port with support for DVI, VGA, and dual-link DVI (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 High Sierra (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: 241W
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 HIGH SIERRA

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