Display 13.3 inch TFT LED backlit active-matrix "glossy" display, Resolution: 1440 x 900 pixels Memory 256GB, 4GB RAM Processor HD Graphics 6000 - 5TH Gen " Intel Mobile Core i5 "Broadwell ULT" (I5-5250U) processor, 1.6 GHz - Two USB 3.0 ports (up to 5 Gbps) - Pre-Installed MacOS: X 10.11 "El Capitan." Battery 54-watt-hour lithium-polymer battery" that provides "up to" 12 hours of wireless web or iTunes movie playback Dimensions 12.8 x 8.9 x 07 in, 2.96 lbs