13-inch MacBook Air

13.3-inch (diagonal) high-resolution LED-backlit glossy widescreen display with support for millions of colors.
128GB or 256GB Flash Storage

Processor
1.7GHz dual-core Intel Core i5 with 3MB shared L3 cache

Memory
4GB of 1333MHz DDR3 onboard memory
Intel HD Graphics 3000 processor with 384MB of DDR3 SDRAM shared with main memory

• Two USB 2.0 ports (up to 480 Mbps)
• Thunderbolt port
• SD card slot

Wi-Fi
802.11n Wi-Fi wireless networking;5 IEEE 802.11a/b/g compatible
Bluetooth
Bluetooth 4.0 wireless technology