Technical Specifications Size and weight 20-inch iMac Height: 18.5 inches (46.9 cm) Width: 19.1 inches (48.5 cm) Depth: 7.4 inches (18.9 cm) Weight: 20 pounds (9.1 kg)1 Connections and expansion One FireWire 400 port and one FireWire 800 port; 7 watts each Total of five USB 2.0 ports: three ports on computer, two ports on keyboard Communications Built-in AirPort Extreme Wi-Fi wireless networking2 (based on IEEE 802.11n draft (specification); 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 Internal 24-watt digital amplifier Headphone/optical digital audio output (minijack) Audio line in/optical digital audio input (minijack) Built-in microphone Installed software Mac OS X v10.5 Leopard (includes Time Machine, Quick Look, Spaces, Spotlight, Dashboard, Mail, iChat, Safari, Address Book, QuickTime, iCal, DVD Player, Photo Booth, Front Row, Xcode Developer Tools) Majority of circuit board laminates are free of brominated flame retardants Majority of internal cables are PVC-free Meets ENERGY STAR requirements Received a Silver rating from EPEAT Display Built-in 20-inch widescreen TFT active-matrix liquid crystal display Resolution 20-inch models: 1680 by 1050 pixels Millions of colors at all resolutions Typical viewing angle 20-inch models: 160° horizontal 160° vertical Typical brightness: 290 cd/m2 (20-inch models) Typical contrast ratio: 800:1 (20-inch models) Graphics and video support 20-inch model with 2.16GHz processor ATI Radeon HD 2400 XT graphics processor with 128MB of GDDR3 memory Mini-DVI output port with support for DVI, VGA, S-video, and composite video connections via adapter3 Built-in iSight camera Support for external display in extended desktop mode Digital resolutions up to 1920 by 1200 pixels Analog resolutions up to 2048 by 1536 pixels Support for external display in video mirroring mode Processor and memory 2.16 Intel Core 2 Duo processor 6MB shared L2 cache at full processor speed 1066MHz frontside bus 2GB (two 1GB SO-DIMMs) of 800MHz DDR2 SDRAM; two SO-DIMM slots support up to 4GB Storage Hard drive4 20-inch model with 2.4GHz processor 250GB Serial ATA 7200-rpm hard drive Optional 320GB or 500GB Serial ATA 7200-rpm 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: 200W (20-inch models); 280W (24-inch model) Operating temperature: 50° to 95° F (10° to 35° C) Storage temperature: -40° to 185° F (-40° to 85° C) Relative humidity: 5% to 95% noncondensing Maximum altitude: 10,000 fee What’s in the box iMac Apple Keyboard Mighty Mouse Apple Remote Power cord Install/restore DVDs Configurations 20-inch iMac(MB323LL/A) Processor 2.16GHz Intel Core 2 Duo L2 cache 6MB shared Frontside bus 1066MHz Memory 2GB (two 1GB SO-DIMMs) of 800MHz DDR2 SDRAM; supports up to 4GB Hard drive 250GB Serial ATA4; 7200 rpm Optical drive Slot-loading 8x SuperDrive with 4x double-layer burning (DVD±R DL/DVD±RW/CD-RW) Display 20-inch widescreen TFT active-matrix LCD, 1680 by 1050 pixels, millions of colors Video Built-in iSight camera; mini-DVI output port with support for DVI, VGA, S-video, and composite video connections via adapter3 Graphics ATI Radeon HD 2400 XT with 128MB of GDDR3 memory FireWire One FireWire 400 port and one FireWire 800 port; 7 watts each USB Three USB 2.0 ports on computer; two USB 2.0 ports on keyboard Audio Built-in stereo speakers with 24-watt digital amplifier, built-in microphone, optical digital audio output/headphone out, optical digital audio input/audio line in Ethernet Built-in 10/100/1000BASE-T (Gigabit) Wireless Built-in AirPort Extreme (802.11n)2; built-in Bluetooth 2.1 + EDR (Enhanced Data Rate) Hardware accessories Apple Remote, Apple Keyboard, and Mighty Mouse Other Built-in IR receiver Built-in IR receiver, optional VESA mount adapter kit Apple and the global environment Learn more about Apple’s dedication to reducing the environmental impact of our products and process. The Apple Product Environmental Specification details the environmental attributes of our products. Recycling