Installed Memory: 8 GB (1867MHz DDR3 SDRAM)
Installed Memory: 1TB Fusion Drive
Operating System: Mac OS X 10.10 Yosemite
Processor: 5th Gen 3.2GHz quad-core Intel Core i5 (Turbo Boost up to 3.6GHz)
Video: 2GB of GDDR5 AMD Radeon R9 M390 graphics
Video: 27-inch Retina 5K display with IPS technology (5120-by-2880 resolution)
Display
Retina 5K display
27-inch (diagonal) Retina 5K display with IPS technology;
5120-by-2880 resolution with support for millions of colors
Processor
3.2GHz quad-core Intel Core i5 (Turbo Boost up to 3.6GHz)
Memory
8GB (2x4GB) of 1867MHz DDR3 memory four SO-DIMM slots,
user accessible Configurable to 16GB or 32GB
Storage
1TB Fusion Drive
Configurable up to 3TB Fusion Drive or 256GB, 512GB, or 1TB of flash storage (SSD)
Graphics
AMD Radeon R9 M390 graphics processor with 2GB of GDDR5 memory
Audio
Stereo speakers
Dual microphones
3.5 mm headphone jack Headphone/optical digital audio output (minijack)
Support for Apple iPhone headset with microphone
Connections and Expansion
3.5 mm headphone jack SDXC card slot
Four USB 3 ports (compatible with USB2) 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.
Wireless
Wi-Fi 802.11ac Wi-Fi wireless networking
IEEE 802.11a/b/g/n compatible
Bluetooth
Bluetooth 4.0 wireless technology
Size and Weight
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)
