Apple MacBook Pro ME864LL/A 13.3-Inch Laptop with Retina Display (OLD VERSION) 2.4GHz dual-core Intel Core i5 processor (Turbo Boost up to 2.9GHz) with 3MB shared L3 cache 128GB PCIe-based flash storage; 4GB 1600MHz DDR3L onboard memory 13.3-inch (diagonal) Retina display, 2560x1600 pixel Resolution; LED-backlit with IPS technology Intel Iris Graphics; 802.11ac Wi-Fi wireless networking Mac OS X Mavericks, Up to 9 hours of battery life