Apple iMac "Core 2 Duo" 2.0 20-Inch All-In-One Desktop A1224 / MA876LL - Intel Core2Duo@2GHz, 4GB RAM, 250GB HD, 8X DL "SuperDrive", ATI Radeon HD2400 w/ 128MB vram, OSX 10.6 20" Glossy Widescreen LCD 1680x1050 Display, Super thin profile, Aluminum design Mac OS X 10.4, Intel Core 2 Duo T7300 2.0 GHz processor, 800 MHz FSB, 4 MB shared L2 cache 4GB DDR2 SDRAM (supports up to 4 GB), 250 GB 7200 RPM SATA Hard Drive, Slot-loading 8x DVDRW DL drive ATI Radeon HD 2400 XT with 128 MB of GDDR3 memory, Stereo speakers with 24-watt digital amplifier, 10/100/1000BASE-T Gigabit Ethernet AirPort Extreme (802.11n), Bluetooth 2.0+EDR (Enhanced Data Rate) module, Built-in iSight camera and microphone, IR receiver