4GB (two 2GB SO-DIMMs) of 1066MHz DDR3 SDRAM; four SO-DIMM slots support up to 16GB

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)

Storage4

• 500GB 7200-rpm Serial ATA hard drive
• Optional 2TB 7200-rpm Serial ATA hard drive