ATI Radeon X1600 (128 MB GDDR3) or ATI Radeon X1600 (256 MB GDDR3)
Memory
512 MB, 1 GB or 2 GB
Storage
250 GB to 500 GB
CPU
2 GHz Intel Core Duo T2500 with 2 MB shared L2 cache and 667 MHz system bus; exact identity documented in Ars Technica's launch review
GPU
ATI Radeon X1600 with 128 MB GDDR3, configurable to 256 MB
Memory type
Two SO-DIMM slots for PC2-5300 (667 MHz) DDR2 SDRAM; 512 MB standard as one module, expandable to 2 GB. The intermediate 1 GB factory option is documented by Sound On Sound's launch review.
Storage type
250 GB 7200 rpm Serial ATA hard drive, configurable to 500 GB; slot-loading 8x SuperDrive with 2.4x double-layer DVD burning
Display
Screen size
20″
Resolution
1680 × 1050
Brightness
280 nits
Display type
Widescreen TFT active-matrix LCD, millions of colours; typical contrast 800:1 and viewing angles 170° horizontal and vertical. Panel technology and refresh rate unpublished.
Connections
Ports
3 × USB-A, Ethernet, headphone jack
Ethernet
1 Gb/s
External displays
Up to 1
Wi-Fi
802.11g; 54 Mbps AirPort Extreme
Bluetooth
2.0 + EDR
Camera
iSight camera
Back ports
Three USB 2.0 ports on the computer and two USB 1.1 ports on its keyboard; two FireWire 400 ports sharing 8 W, mini-DVI, Gigabit Ethernet, headphone/optical digital output and analogue audio line input
External displays
One external display in extended desktop or mirroring mode; digital resolutions up to 1920 × 1200. DVI, VGA, S-video and composite adapters sold separately; analogue maximum omitted because the archived maker page gives an unresolved 2045 × 1536 figure.
Speakers
Built-in stereo speakers with internal 12 W digital amplifier and built-in microphone
Keyboard and mouse
Apple Keyboard, Mighty Mouse and Apple Remote; optional wireless keyboard and mouse
Design and power
Type
All-in-one
Width × depth × height
493 × 189 × 472 mm
Operating system
macOS
Size and weight detail
Maker weight 22 pounds (10 kg), varying by configuration and manufacturing process; shared scalar weight omitted
Power supply
Maximum continuous power 180 W; 100–240 V AC, 50–60 Hz single phase
In the box
iMac, Apple Keyboard, Mighty Mouse, Apple Remote, power cord, install/restore DVDs and documentation; Mac OS X 10.4.4 Tiger and iLife '06, Front Row, Photo Booth, Microsoft Office 2004 Test Drive and iWork trial
Configurations
Processor
Memory
Storage
Storage type
Graphics
Intel Core Duo T2500
512 MB
250 GB
Hard drive
ATI Radeon X1600 (128 MB GDDR3)
Intel Core Duo T2500
512 MB
250 GB
Hard drive
ATI Radeon X1600 (256 MB GDDR3)
Intel Core Duo T2500
512 MB
500 GB
Hard drive
ATI Radeon X1600 (128 MB GDDR3)
Intel Core Duo T2500
512 MB
500 GB
Hard drive
ATI Radeon X1600 (256 MB GDDR3)
Intel Core Duo T2500
1 GB
250 GB
Hard drive
ATI Radeon X1600 (128 MB GDDR3)
Intel Core Duo T2500
1 GB
250 GB
Hard drive
ATI Radeon X1600 (256 MB GDDR3)
Intel Core Duo T2500
1 GB
500 GB
Hard drive
ATI Radeon X1600 (128 MB GDDR3)
Intel Core Duo T2500
1 GB
500 GB
Hard drive
ATI Radeon X1600 (256 MB GDDR3)
Intel Core Duo T2500
2 GB
250 GB
Hard drive
ATI Radeon X1600 (128 MB GDDR3)
Intel Core Duo T2500
2 GB
250 GB
Hard drive
ATI Radeon X1600 (256 MB GDDR3)
Intel Core Duo T2500
2 GB
500 GB
Hard drive
ATI Radeon X1600 (128 MB GDDR3)
Intel Core Duo T2500
2 GB
500 GB
Hard drive
ATI Radeon X1600 (256 MB GDDR3)
Pros and cons
Pros
+Camera, speakers and microphone built in
+Two user-accessible memory slots
+Supports an extended desktop on an external display
