The Asus X200CA supports a 1,600MHz processor memory clock speed which is faster than most laptops that have been on the market for around the same time as it. Most notebook PCs of a comparable age and spec to it support a 133MHz processor memory clock speed. In addition, this Asus laptop supports 1 and 333MHz processor memory clock speeds.
A 1,600MHz processor memory clock speed is in fact the best supported memory clock speeds supported by processor amongst all similar spec laptops that have been around for more than two years.
The worst supported memory clock speeds supported by processor across comparable types of portable PC is 133MHz.