macOS Sierra introduces Siri to Mac 4 - along with new ways to enjoy your photos, shop more securely online, and work more seamlessly between devices. MacOS is the operating system that powers everything you do on a Mac.

Operating altitude: tested up to 10,000 feet.

Relative humidity: 0% to 90% noncondensing.

Operating temperature: 50° to 95° F (10° to 35° C).

60W MagSafe 2 Power Adapter with cable management system MagSafe 2 power port.

Built-in 74.9-watt-hour lithium-polymer battery.Force Touch trackpad for precise cursor control and pressure-sensing capabilities enables Force clicks, accelerators, pressure-sensitive drawing, and Multi-Touch gestures.Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement) with ambient light sensor.Support for audio line out (digital/analog).Support for Apple iPhone headset with remote and microphone.Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately)Ĩ02.11ac Wi-Fi wireless networking IEEE 802.11a/b/g/n compatible.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.13.3-inch (diagonal) LED-backlit display with IPS technology 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colorsĢ.7GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB shared 元 cacheĬonfigurable to 2.9GHz dual-core Intel Core i5 (Turbo Boost up to 3.3GHz) with 3MB shared 元 cache or 3.1GHz dual-core Intel Core i7 (Turbo Boost up to 3.4GHz) with 4MB shared 元 cache.Ģ.9GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.3GHz) with 3MB shared 元 cacheĬonfigurable to 3.1GHz dual-core Intel Core i7 (Turbo Boost up to 3.4GHz) with 4MB shared 元 cache.

Windows 7 on macbook pro retina 2015