Macbook Pro 13.3-inch (Retina) 2.6Ghz Dual Core i5 (Mid 2014) . - Apple MGX72LL/A. The MacBook Pro Core i5 2.6 13-Inch (Mid-2014 Retina Display) features a 22 nm Haswell 2.6 GHz Intel Core i5 processor (4278U), with dual independent processor cores on a single silicon chip, a 3 MB shared level 3 cache, 8 GB of onboard 1600 MHz DDR3L SDRAM (which could be upgraded to 16 GB at the time of purchase, but cannot be upgraded later), 128 GB or 256 GB of PCIe-based flash storage, and an integrated Intel Iris 5100 graphics processor that shares memory with the system. It also has an integrated 720p FaceTime HD webcam, and a high-resolution LED-backlit 13.3 widescreen 2560x1600 (227 ppi) Retina display in a case that weighs just less than 3.5 pounds (1.57 kg). It does not have an internal optical drive.