These systems are in Grade A/B cosmetic condition and will have minor signs of normal use including minor scratches, scuffs, an nicks on the aluminum housing as well as normal minor keyboard marks on the glass - these issues are cosmetic only and do not affect functionality or reliability of these systems which are each thoroughly inspected and tested by our Apple Certified technicians. The MacBook Pro "Core i7" 2.5 15-Inch (Integrated Graphics/Iris Only/Force Touch - Mid-2015 Retina Display) features a 22 nm "Haswell/Crystalwell" 2.5 GHz Intel "Core i7" processor (4870HQ), with four independent processor "cores" on a single silicon chip, a 6 MB shared level 3 cache, 16 GB of onboard 1600 MHz DDR3L SDRAM (which cannot be upgraded later), 256 GB of PCIe-based flash storage, and an integrated Intel Iris 5200 Pro graphics processor with 128 MB of "Crystalwell" embedded DRAM (and shared system memory).
It also has an integrated 720p FaceTime HD webcam and a high-resolution LED-backlit 15.4" widescreen 2880x1800 (220 ppi) "Retina" display in a case that weighs just less than 4.5 pounds ( 2.04 kg). It does not have an internal optical drive. Connectivity includes 802.11 ac Wi-Fi, Bluetooth 4.0, two USB 3.0 ports, two "Thunderbolt 2" ports, an HDMI port, an audio in/out port, and an SDXC card slot.