Size and weight
21.5-inch iMac
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
27-inch iMac
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
* 802.11nBuilt-in AirPort Extreme 802.11n Wi-Fi wireless networking;2 IEEE 802.11a/b/g compatible
* BluetoothBuilt-in Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
* 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
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 Gold7
Display
iMac
* Display Screens Built-in 21.5-inch (viewable) or 27-inch (viewable) LED-backlit glossy widescreen TFT active-matrix liquid crystal display with IPS technology
* Resolution
o 21.5-inch models: 1920 by 1080 pixels
o 27-inch models: 2560 by 1440 pixels
* 16:9 aspect ratio
* Millions of colors at all resolutions
* Typical viewing angle: 178° horizontal; 178° vertical
* Typical brightness: 320 cd/m2 (21.5-inch models); 375 cd/m2 (27-inch models)
* 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
* 21.5-inch models, one of the following:
o NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memory3
o ATI Radeon HD 4670 graphics processor with 256MB of GDDR3 memory
* 27-inch model with dual-core processor, one of the following:
o ATI Radeon HD 4670 graphics processor with 256MB of GDDR3 memory
o ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory
* 27-inch model with quad-core processor:
o ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory
* iSightBuilt-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
* Universal 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 (includes iPhoto, iMovie, iDVD, iWeb, GarageBand)
Processor and memory
* 21.5-inch and 27-inch models, one of the following:
o 3.06GHz Intel Core 2 Duo processor with 3MB shared L2 cache
o 3.33GHz Intel Core 2 Duo processor with 6MB shared L2 cache
* 27-inch models only, one of the following:
o 2.66GHz quad-core Intel Core i5 processor with 8MB shared L3 cache; Turbo Boost dynamic performance up to 3.2GHz
o 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
Configure your iMac now, only at the Apple Online Store.
Storage4
* 21.5-inch models:
o 500GB or 1TB 7200-rpm Serial ATA hard drive
o Optional 2TB 7200-rpm Serial ATA hard drive
* 27-inch models:
o 1TB 7200-rpm Serial ATA hard drive
o Optional 2TB 7200-rpm Serial ATA hard drive
Configure your iMac now at the Apple Online Store
Configurable options
View Configuration Options Chart
Optical drive
* Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
o Writes DVD+R DL and DVD-R DL discs at up to 4x speed
o Writes DVD-R and DVD+R discs at up to 8x speed
o Writes DVD-RW discs at up to 6x speed and DVD+RW discs at up to 8x speed
o Reads DVDs at up to 8x speed
o Writes CD-R discs at up to 24x speed
o Writes CD-RW discs at up to 16x speed
o Reads CDs at up to 24x speed
Electrical and operating requirements
* Line vo