Summary Screen Size 13.3 inches Screen Resolution 1440 x 900 Max Screen Resolution 1440x900 pixels Processor 1.6 GHz Core M Family RAM 4 GB LPDDR3 Memory Speed 1866 Hard Drive 128 GB Graphics Coprocessor Intel HD Graphics 6000 Chipset Brand intel Wireless Type 802.11B, 802.11G, 802.11n Number of USB 3.0 Ports 2 Other Technical Details Brand Name Apple Item model number MMGF2LL/A Hardware Platform Mac Operating System Mac OS X Item Weight 7.2 ounces Product Dimensions 10.5 x 2.2 x 14.2 inches Item Dimensions L x W x H 10.47 x 2.2 x 14.25 inches Color Silver Processor Brand Intel Processor Count 1 Computer Memory Type DDR3 SDRAM Flash Memory Size 128 Hard Drive Interface Solid State Optical Drive Type No Audio-out Ports (#) 1 Battery Type Lithium Polymer (LiPo) Batteries 1 Lithium ion batteries required.