he iMac "Core 2 Duo" 2.8 24-Inch Aluminum (Early 2008/Penryn) features a 2.8 GHz Intel "Core 2 Duo" processor (E8235), with two independent processor "cores" on a single silicon chip, a 6 MB shared level 2 cache, a 1066 MHz system bus, 2 GB of RAM (800 MHz DDR2 SDRAM, PC2-6400), a 320 GB (7200 RPM) Serial ATA hard drive, a vertically-mounted slot-loading DVD�R DL "SuperDrive", ATI Radeon HD 2600 PRO graphics acceleration with 256 MB of GDDR3 memory, a built-in iSight video camera, and built-in stereo speakers underneath the 24" glossy TFT Active Matrix LCD (1920x1200 native) display.