The MacBook Pro "Core i5" 3.1 13-Inch (Mid-2017 Retina Display, Touch Bar, Four Thunderbolt 3 Ports) is powered by a 14 nm, 7th Generation "Kaby Lake" 3.1 GHz Intel "Core i5" processor (7267U), 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 onboard2133 MHz LPDDR3 SDRAM (which could be upgraded to 16 GB at the time of purchase, but cannot be upgraded later), 256 GB or 512 GB of flash storage, and an integrated Intel Iris Plus Graphics 650 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 with an integrated "Touch Bar" with a touch-sensitive control that adapts for different applications and provides Touch ID login support in lieu of traditional function keys, and a gigantic "Force Touch" trackpad. Additionally, it has a high-resolution LED-backlit 13.3" widescreen 2560x1600 (227 ppi, 500 nits) "Retina" display, and an integrated battery that provides an Apple estimated 10 hours of runtime. This notebook is offered in either silver colored aluminum or a darker "Space Gray" colored aluminum housing (but not other colors) and weighs just a bit more than 3 pounds (1.37 kg). Connectivity includes 802.11ac Wi-Fi, Bluetooth 4.2, four "Thunderbolt 3" ports (USB-C connector), and a 3.5 mm headphone jack.