Processor: 1.4 GHz dual-core Intel Core i5 (4260U) with Turbo Boost up to 2.7 GHz.Memory (RAM): 4 GB or 8 GB 1600 MHz LPDDR3 (onboard).Storage: 128 GB, 256 GB, or 512 GB PCIe-based flash storage.Graphics: Intel HD Graphics 5000.Display: 13.3-inch LED-backlit glossy display (1440x900 native resolution).Battery: Up to 12 hours wireless web, 30 days standby.Ports: 2x USB 3.0, 1x Thunderbolt 2, SDXC card slot, MagSafe 2 power port