The Asus B551LG supports a faster memory clock speeds supported by processor than most portable PCs of this spec and age. This laptop supports a 1,600MHz processor memory clock speed, whereas most similar spec laptops that were released more than two years ago support a 133MHz processor memory clock speed. In addition, this Asus portable PC 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 across all portable PCs of a similar age and spec to the B551LG.
Across comparable types of notebook PC the worst supported memory clock speeds supported by processor is 133MHz.