Display

• 21.5-inch (diagonal) LED-backlit display with IPS technology

• 1920-by-1080 resolution with support for millions of colors

Processor

• • 2.7GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.2GHz) with 6MB L3 cache

Memory

• 8GB (two 4GB) of 1600MHz DDR3 memory

  • Configurable to 16GB.

Storage

• 2.7GHz

  • 256GB SSD

Graphics

• 2.7GHz

  • NVIDIA GeForce GT 640M graphics processor with 512MB of GDDR5 memory

Video Support and Camera

• FaceTime HD camera

• Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display

• Support for extended desktop and video mirroring modes

Audio

• Stereo speakers

• Dual microphones

• Headphone port

  • Headphone/optical digital audio output (minijack)

  • Support for Apple iPhone headset with microphone

Connections and Expansion

• • • SDXC card slot

    • Four USB 3 ports

    • Two Thunderbolt ports

    • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)

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