Product Family: iMac Screen Size: 24 inch Operating System: Mac OS X 10.6, Snow Leopard Primary Drive: Dual Layer DVD+/-RW Bundled Items: Keyboard, Mouse Processor Type: Core 2 Duo Processor Speed (per Core): 3 GHz Processor Configuration: Dual Core Memory (RAM): 4 GB Hard Drive Capacity: 1,000 GB Processor Manufacturer Intel Motherboard I/O Ports FireWire (IEEE1394a) x 1, FireWire (IEEE1394b) x 1, RJ45 Lan Port x 1, USB 2.0 x 3 Bus Speed 1066 MHz Screen Type Flat Panel LCD Screen Size 24" Optical Drive Type DVD±RW Dual Layer/CD-RW Optical Drive Read Speed 24x (CD), 8x (DVD) Optical Drive Write Speed 24x (CD), 4x (DVD+R DL), 4x (DVD-R DL), 8x (DVD+R), 8x (DVD-R) Optical Drive ReWrite Speed 16x (CD-RW), 6x (DVD-RW), 8x (DVD+RW) On Board Graphic Processor NVIDIA GeForce 8800GTS Max. Video Resolution 1920 x 1200 Installed Video Memory 512 MB Video Input Type Video Capture Adapter Video Outputs 15 Pin D-Sub VGA port x 1, Composite x 1, DVI x 1, Mini-DVI, S-Video x 1 Audio Input Integrated Microphone, Line In (3.5mm), Optical Digital In Audio Output Headphones, Line out, Optical Digital, Sound card, Speaker(s) Data Link Protocol AirPort Extreme, Bluetooth, Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11n Networking Type Bluetooth, Integrated 10/100/1000 Network Card, Integrated Wireless LAN Other Features Built In Web Camera, Infrared Remote Control OS Certified Apple MacOS X 10.5