The basic configuration would be as follows:

* iMac with Intel Core 2 Duo processor (T7300) @ 2.0Ghz (1x processor; 2x cores)
* Built-in 20" widescreen TFT LCD display (up to 1680 x 1050 resolution)
* 1Gb RAM DDR2 PC2-5300 (667Mhz) SDRAM SO-DIMM
* 250Gb Serial-ATA hard drive; 7200rpm
* Slot-loading 8x SuperDrive optical drive -- reads/writes/rewrites CDs and DVDs
* ATI Radeon HD 2400 XT with 128MB DDR3 SDRAM; PCI Expresss
* Built-in iSight camera
* Built-in stereo speakers, built-in microphone, headphone/optical digital audio output, audio line in
* Built-in 10/100/1000BASE-T (Gigabit) Ethernet
* Built-in AirPort Extreme wireless 802.11a/b/g/n
* Built-in Bluetooth 2.0 + EDR (Enhanced Data Rate) module
* 1x mini-DVI video out (dual display or mirror display) with support for DVI or VGA with an appropriate adapter
* 1x FireWire 400 port (up to 400 Mbps)
* 1x FireWire 800 port (up to 800 Mbps)
* 3x USB 2.0 ports (up to 480 Mbps)
* Apple model: A1124 (EMC 2133), MA876 (iMac7,1)
* Apple description: iMac (20-inch Mid 2007) [codename "Merom"]
* Introduced: August 2007
* Discontinued: April 2008