Built-in Display: 21.5-inch (1920 x 1080)

Processor: 2.5GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache

Memory: 8GB of 1333MHz DDR3 memory

Storage1: 240 GB Solid State SATA Drive

Storage2: 2.5 GHz 500GB (7200 rpm) hard drive

Graphics: 2.5 GHz AMD Radeon HD 6750M 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: Built-in stereo speakers

Headphone/optical digital audio output (minijack)

Audio line in/optical digital audio input (minijack)

Built-in microphone

Connections and Expansion: One Thunderbolt port

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

One FireWire 800 port; 7 watts

Four USB 2.0 ports

SDXC card slot

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

IR receiver

Size and Weight: Height: 17.75 inches (45.1 cm)

Width: 20.8 inches (52.8 cm)

Depth: 7.42 inches (18.85 cm)

Weight: 20.5 pounds (9.3 kg)3