The Macbook Air Mid 2012 supports a 1,600MHz processor memory clock speed which is faster than most MacBooks that have been available for more than two years. Most notebook PCs of this age and spec support a 133MHz processor memory clock speed. This notebook PC also supports 1 and 333MHz processor memory clock speeds.
A 1,600MHz processor memory clock speed is actually the best supported memory clock speeds supported by processor amongst all notebook PCs of a comparable age and spec to the Macbook Air Mid 2012.
The worst supported memory clock speeds supported by processor across comparable types of notebook PC is 133MHz.