Apple MacBook Core 2 Duo P7550 2.26GHz 2GB 250GB DVD&plusmn;RW 13.3" LED Notebook AirPort OS X w/Webcam, 6-Cell & Bluetooth Apple MacBook Core 2 Duo 2.26 GHz 13.3-inch Notebook General Features: White unibody design Mac OS X version 10.6 pre-installed 6-cell Lithium-ion Polymer battery Intel Core 2 Duo P7550 2.26 GHz processor 3 MB L2 Cache, 1066 MHz FSB Speed 2 GB DDR3 SDRAM (supports up to 4 GB) 250 GB SATA hard drive Slot-loading DVD RW DL drive NVIDIA GeForce 9400M graphics processor with 256 MB of DDR3 SDRAM shared with main memory