27-inch (diagonal) Retina display with IPS technology;

5120‑by‑2880 resolution with support for millions of colors

3.3GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.7GHz)

8GB (two 4GB) of 1600MHz DDR3 memory (four SO-DIMM slots, user accessible)

• Configurable to 16GB or 32GB.

1TB (7200-rpm) hard drive

• Configurable to 3TB hard drive, 1TB or 3TB Fusion Drive, or 256GB, 512GB, or 1TB of flash storage (SSD).

AMD Radeon R9 M290 graphics processor with 2GB of GDDR5 memory

FaceTime HD camera

Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on an external display

Support for extended desktop and video mirroring modes

Stereo speakers

Dual microphones

Headphone port

• Headphone/optical digital audio output (minijack)

• Support for Apple iPhone headset with microphone

Headphone port

SDXC card slot

Four USB 3 ports (compatible with USB 2)

Two Thunderbolt 2 ports

• Mini DisplayPort output

• Support for DVI, VGA, and dual-link DVI (adapters sold separately)

10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Kensington lock slot

Apple Wireless Keyboard

• Full-size keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement)

Magic Mouse

• Smooth, seamless Multi-Touch surface with support for simple gestures (scrolling and swiping). Click and double-click anywhere. Ambidextrous construction accommodates left- and right‑handed users.

Magic Trackpad

• Glass Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch and expand, swipe, three-finger swipe, four‑finger swipe, tap, double-tap, rotate, screen zoom, scroll, click and drag, click drag and lock, secondary click A and B.

Wi-Fi

• 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible

Bluetooth

• Bluetooth 4.0 wireless technology

Height:20.3 inches (51.6 cm)

Width:25.6 inches (65.0 cm)

Stand depth:8 inches (20.3 cm)

Weight:21 pounds (9.54 kg)²

Line voltage:100-240V AC

Frequency:50Hz to 60Hz, single phase

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

Relative humidity:5% to 95% noncondensing

Operating altitude:tested up to 10,000 feet