Apple MacBook 13.3-Inch Laptop (2.1GHz Intel Core 2 Duo, 4GB 667MHz DDR2 SDRAM, 160 GB HDD, Mac OS X) White 2.1GHz Intel Core 2 Duo, 4GB 667MHz DDR2 SDRAM , 160GB Serial ATA Drive @ 5400 rpm Combo Drive (DVD-ROM/CD-RW), Intel GMA X3100 graphics, 13.3-inch (diagonal) glossy TFT Built-in 10/100/1000BASE-T (Gigabit) Ethernet, AirPort Extreme Wi-Fi (based on IEEE 802.11n draft specification) Built-in iSight camera; mini-DVI output port with support for DVI, VGA, S-video, and composite video Mac OS X v10.5 Leopard , 1 year warranty