CPU :Intel® Core™ i5® Processor (1.7GHz, 1333MHz FSB, 3MB L3 Cache)
Memory :4 GB DDR3
HDD :128 GB SSD
VGA: Intel Graphics Media Accelerator HD3000
Optical drive: Option
Display :13.3-inch (diagonal) high-resolution LED-backlit glossy widescreen display  (1366-by-768)
Network Card 10/100/1000BASE-T (Gigabit) Ethernet
Interface: 2 x USB 2.0 ports, Microphone, Headphone, Bluetooth 4.0,  thunderbolt
Wireless Connectivity 802.11n Wi-Fi wireless networking;5 IEEE 802.11a/b/g compatible
Keyboard Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement)
Pointing Device 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 
 SD Card Slot
Battery :6-cell Lithium-Ion (Li-Ion)
OS :Mac iOS Lion

CPU :Intel® Core™ i5® Processor (1.7GHz, 1333MHz FSB, 3MB L3 Cache)
Memory :4 GB DDR3
HDD :256 GB SSD
VGA: Intel Graphics Media Accelerator HD3000
Optical driver: DVD±R DL/DVD±RW/CD-RW
Display :13.3-inch (diagonal) high-resolution LED-backlit glossy widescreen display  (1280x800)
Webcam  Camera FaceTime HD camera
Network Card 10/100/1000BASE-T (Gigabit) Ethernet
Interface: 2 x USB 2.0 ports, Microphone, Headphone, Bluetooth 4.0,  thunderbolt
Wireless Connectivity 802.11n Wi-Fi wireless networking
Keyboard Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement)
Pointing Device 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 
 SD Card Slot
Battery :6-cell Lithium-Ion (Li-Ion)
OS  : Mac iOS Lion 
Weight : 1.35Kg

CPU :Intel® Core™ i5® Processor (1.6GHz, 1333MHz FSB, 3MB L3 Cache)
Memory :2 GB DDR3
HDD :64 GB SSD
VGA: Intel Graphics Media Accelerator HD3000
Optical drive: Option
Display :11.6-inch (diagonal) LED-backlit glossy widescreen display
Camera :Camera
Interface: 2 x USB 2.0 ports,  Microphone, Headphone, Bluetooth
Wireless: Wireless LAN 802.11 a/b/g/n
LAN :10/100 Mbps
Battery :6-cell Lithium-Ion (Li-Ion) 7Hour
OS :Mac iOS Lion
 

CPU :Intel® Core™ i5® Processor (1.6GHz, 1333MHz FSB, 3MB L3 Cache)
Memory :4 GB DDR3
HDD :128 GB SSD
VGA: Intel Graphics Media Accelerator HD3000
Optical drive: Option
Display :11.6-inch (diagonal) LED-backlit glossy widescreen display
Camera :Camera
Interface: 2 x USB 2.0 ports, Microphone, Headphone, Bluetooth 4.0,  thunderbolt
Pointing Device 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 
  PC Card Slot
Network Card 10/100/1000BASE-T (Gigabit) Ethernet
Wireless: Wireless 802.11 a/b/g
Battery :6-cell Lithium-Ion (Li-Ion) 7Hour
OS :Mac iOS Lion