Summary Screen Size 13.3 inches Screen Resolution 2560 x 1600 Max Screen Resolution 2560x1600 pixels Processor 2.9 GHz Intel Core i5 RAM 8 GB LPDDR3 Memory Speed 1866 MHz Graphics Coprocessor Intel Iris Graphics 6100 Chipset Brand intel Card Description integrated Number of USB 3.0 Ports 2 Other Technical Details Brand Name Apple Series MF841LL/A Item model number MF841LL/A Hardware Platform Mac Operating System Mac OS X Item Weight 3.5 pounds Product Dimensions 8.6 x 12.3 x 0.7 inches Item Dimensions L x W x H 8.62 x 12.35 x 0.71 inches Color Silver Processor Brand Intel Processor Count 1 Computer Memory Type DDR3 SDRAM Flash Memory Size 512 Optical Drive Type No Audio-out Ports (#) 1 Battery Type Lithium Polymer (LiPo)