Used 21.5-inch Imac Used Computer
Technical Specifications
Processor and memory
3.06GHz Intel Core 2 Duo processor with 3MB shared L2 cache
3.33GHz Intel Core 2 Duo processor with 6MB shared L2 cache
4GB (two 2GB SO-DIMMs) of 1066MHz DDR3 SDRAM; four SO-DIMM slots support up to 16GB
Connections and expansion
One FireWire 800 port; 7 watts
Four USB 2.0 ports
SD card slot
Communications
Built-in AirPort Extreme 802.11n Wi-Fi wireless networking;2 IEEE 802.11a/b/g compatible
Built-in Bluetooth 2.1 + EDR (Enhanced Data Rate)
Built-in 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Audio
Built-in stereo speakers
Two internal 17-watt high-efficiency amplifiers
Headphone/optical digital audio output (minijack)
Audio line in/optical digital audio input (minijack)
Built-in microphone
Support for Apple Stereo Headset with microphone
Display
Built-in 21.5-inch (viewable) LED-backlit glossy widescreen TFT active-matrix liquid crystal display with IPS technology
Resolution: 1920 by 1080 pixels
16:9 aspect ratio
Millions of colors at all resolutions
Typical viewing angle: 178° horizontal; 178° vertical
Typical brightness: 320 cd/m2
Graphics and video support
NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memory3
ATI Radeon HD 4670 graphics processor with 256MB of GDDR3 memory
Built-in iSight camera
Mini DisplayPort output port with support for DVI, VGA, and dual-link DVI (adapters sold separately).
Support for extended desktop and video mirroring modes
Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display
Software
Mac OS X v10.6 Snow Leopard (includes iTunes, Time Machine, Quick Look, Spaces, Spotlight, Dashboard, Mail, iChat, Safari, Address Book, QuickTime, iCal, DVD Player, Photo Booth, Front Row, Xcode Developer Tools)
iLife ’09 (includes iPhoto, iMovie, iDVD, iWeb, GarageBand)
Storage 4
500GB 7200-rpm Serial ATA hard drive
Optional 2TB 7200-rpm Serial ATA hard drive