The MacBook Pro Core i5 2.3 13-Inch (Mid-2017 Retina Display, Two Thunderbolt 3 Ports) is powered by a 14 nm, 7th Generation Kaby Lake 2.3 GHz Intel Core i5 processor (7360U), with dual independent processor cores on a single silicon chip, 64 MB of eDRAM embedded on the processor die, and a 4 MB shared level 3 cache. This notebook also packs 8 GB of onboard 2133 MHz LPDDR3 SDRAM (which can be upgraded to 16 GB at the time of purchase, but cannot be upgraded later), 128 GB of flash storage, and an integrated Intel Iris Plus Graphics 640 graphics processor that shares memory with the system. Externally, this notebook has an integrated 720p FaceTime HD webcam, a thin, backlit second generation butterfly mechanism keyboard, a gigantic Force Touch trackpad, a high-resolution LED-backlit 13.3 widescreen 2560x1600 (227 ppi, 500 nits) Retina display, and a integrated battery that provides an Apple estimated 10 hours of runtime.