27-inch (diagonal) Retina 5K display with IPS technology

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

3.2GHz

• 3.2GHz quad‑core Intel Core i5 (Turbo Boost up to 3.6GHz)

• 3.3GHz quad‑core Intel Core i5 (Turbo Boost up to 3.9GHz)

• Configurable to 4.0GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)

8GB (two 4GB) of 1867MHz DDR3 memory; four SO-DIMM slots, user accessible

• Configurable to 16GB or 32GB

3.2GHz

• 1TB (7200-rpm) hard drive

• Configurable up to 3TB Fusion Drive or 256GB or 512GB of flash storage (SSD)

3.2GHz

• AMD Radeon R9 M380 graphics processor with 2GB of GDDR5 memory

3.2GHz

• AMD Radeon R9 M390 graphics processor with 2GB of GDDR5 memory

3.3GHz

• AMD Radeon R9 M395 graphics processor with 2GB of GDDR5 memory

• Configurable to AMD Radeon R9 M395X with 4GB of GDDR5 memory

FaceTime HD camera

Simultaneously supports full native resolution on the built-in display and up to two 4096-by-2160 external displays or one 5120-by-2880 dual-cable external display

Support for extended desktop and video mirroring modes

Stereo speakers

Dual microphones

3.5 mm headphone jack

• Headphone/optical digital audio output (minijack)

• Support for Apple iPhone headset with microphone

3.5 mm headphone jack

SDXC card slot

Four USB 3 ports (compatible with USB 2)

Two Thunderbolt 2 ports

• Mini DisplayPort output

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

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

Kensington lock slot