Processor Intel Core 2 Duo 2.66 GHz Multi-Core Technology Dual-Core 64-bit Computing Yes Data Bus Speed 1066 MHz Cache Memory Type L2 cache Installed Size 3 MB RAM Installed Size 4 GB / 8 GB (max) Technology DDR3 SDRAM - 1066 MHz Memory Specification Compliance PC3-8500 Form Factor SO DIMM 204-pin Configuration Features 2 x 2 GB Storage Controller Type Serial ATA Serial ATA Interface Serial ATA-150 Storage Hard Drive 320 GB - Serial ATA-150 - 5400 rpm Optical Storage Type DVD±RW (±R DL) - integrated Read Speed 24x (CD) / 8x (DVD) Write Speed 24x (CD) / 8x (DVD±R) / 4x (DVD±R DL) Rewrite Speed 10x (CD) / 4x (DVD±RW) Card Reader Type Card reader Supported Flash Memory Cards SD Memory Card Display Display Type 15.4" TFT Max Resolution 1440 x 900 ( WXGA+ ) Widescreen Display Yes Features LED-backlit, glossy Video Graphics Processor / Vendor NVIDIA GeForce 9600M GT / GeForce 9400M Video Memory GDDR3 SDRAM - 256 MB Audio Audio Output Sound card Audio Input Microphone Notebook Camera Camera Type Integrated Input Device(s) Type Trackpad, backlit keyboard Features Multi-touch technology Networking Networking Network adapter Wireless LAN Supported Yes Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n (draft), Bluetooth 2.1 EDR Compliant Standards IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n (draft), Bluetooth 2.1 Expansion / Connectivity Expansion Slots Total (Free) 2 ( 0 ) x memory - SO DIMM 204-pin Interfaces 1 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45 1 x IEEE 1394b (FireWire 800) - 9 pin FireWire 800 2 x Hi-Speed USB - 4 pin USB Type A 1 x display / video - Apple mini-DisplayPort 1 x audio - SPDIF input/line-in - mini-phone 3.5 mm / TOSLINK 1 x audio - SPDIF output/headphones - mini-phone 3.5 mm / TOSLINK Miscellaneous Included Accessories Cleaning cloth Features Security lock slot (cable lock sold separately), ambient light sensor, aluminum enclosure Power Power Device External Voltage Required AC 120/230 V ( 50/60 Hz ) Battery Technology Lithium polymer Installed Qty 1 Capacity 73 Wh Run Time (Up To) 7 hour(s) Operating System / Software OS Provided Apple MacOS X 10.5 Software Drivers & Utilities, Apple QuickTime, Apple iTunes, Apple Mac OS X Mail, Apple iChat, Apple iCal, Apple DVD Player, Apple Address Book, Apple Safari, Apple iLife '09, Apple Dashboard, Apple Spotlight, Apple XCode Developer Tools, Front Row, Photo Booth, Apple Spaces, Apple Quick Look, Apple Time Machine Environmental Standards EPEAT Compliant EPEAT Gold EPA Energy Star Compliant Yes Manufacturer Warranty Service & Support 1 year warranty