11-inch MacBook Air 1.6 GHz 64GB

11.6-inch
64GB flash storage
1.6GHz dual-core Intel Core i5
2GB of 1333MHz DDR3 onboard memory
Intel HD Graphics 3000 processor with 256MB of DDR3 SDRAM shared with main memory

 11-inch MacBook Air 1.6 Ghz 128GB

11.6-inch

MacBook Air 2.13GHz

Intel Core 2 Duo processor with

1066MHz frontside bus

2GB Memory

128GB solid-state drive

NVIDIA GeForce 9400M graphics