Connections and expansion:

• Magsafe power port
• Gigabit Ethernet port
• FireWire 800 port (up to 800 Mbps)
• Two USB 2.0 ports (up to 480 Mbps)
• Thunderbolt port (up to 10 Gbps)
• Audio line in
• Audio line out
• SDXC card slot
• Kensington lock slot

Communications:

• Wi-Fi wireless networking2 (based on IEEE 802.11n specification); IEEE 802.11a/b/g compatible
• Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
• 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Audio:

• Stereo speakers with subwoofers
• Omnidirectional microphone (located under left speaker grille)
• Audio line in minijack (digital/analog)
• Audio line out/headphone minijack (digital/analog)
• Support for Apple iPhone headset with microphone

Graphics and video support:

• AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory on 2.2GHz configuration; or AMD Radeon HD 6770M graphics processor with 1GB of GDDR5 memory on 2.4GHz configuration
• Intel HD Graphics 3000 with 384MB of DDR3 SDRAM shared with main memory
• Automatic graphics switching
• Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display, both at millions of colours
• FaceTime HD camera
• Thunderbolt port

Input:

• Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement)
• Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities 

Processor and memory:

• 2.2GHz or 2.4GHz quad-core Intel Core i7 processor with 6MB shared L3 cache; or optional 2.5GHz quad-core Intel Core i7 processor with 8MB shared L3 cache
• 4GB (two 2GB SO-DIMMs) of 1333MHz DDR3 memory; two SO-DIMM slots support up to 8GB

Storage:

• 500GB or 750GB 5400-rpm Serial ATA hard drive; optional 750GB 5400-rpm hard drive, 750GB 7200-rpm hard drive, or 128GB, 256GB, or 512GB solid-state drive
• 8x slot-loading SuperDrive (DVD±R DL/DVD±RW/CD-RW)
• Maximum write: 8x DVD-R, DVD+R; 4x DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 24x CD-R; 10x CD-RW
• Maximum read: 8x DVD-R, DVD+R, DVD-ROM; 6x DVD-ROM (double layer DVD-9), DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 24x CD

Battery and power:

• Built-in 77.5-watt-hour lithium-polymer battery
• 85W MagSafe Power Adapter with cable management system
• MagSafe power port