Apple Thunderbolt to FireWire Adapter (sold separately).Two Thunderbolt 2 ports (up to 20 Gbps).Support for 4096-by-2160 resolution at 24Hz.Support for 3840-by-2160 resolution at 30Hz.Support for 1080p resolution at up to 60Hz.DVI, VGA, dual-link DVI, and HDMI output supported using Mini DisplayPort adapters (sold separately).Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on up to two external displays, both at millions of colors.15.4-inch (diagonal) LED-backlit display with IPS technology 2880-by-1800 native resolution at 220 pixels per inch with support for millions of colorsĢ.2GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.4GHz) with 6MB shared 元 cacheĬonfigurable to 2.5GHz quad-core Intel Core i7 (Turbo Boost up to 3.7GHz) with 6MB shared 元 cache or 2.8GHz quad-core Intel Core i7 (Turbo Boost up to 4.0GHz) with 6MB shared 元 cache.Ģ.5GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.7GHz) with 6MB shared 元 cacheĬonfigurable to 2.8GHz quad-core Intel Core i7 (Turbo Boost up to 4.0GHz) with 6MB shared 元 cache.Ĭonfigurable to 512GB or 1TB flash storage.ĪMD Radeon R9 M370X with 2GB of GDDR5 memory and automatic graphics switching.

Macbook pro 2015 storage upgrade