The Lenovo U310 supports a 1,600MHz processor memory clock speed which is faster than most portable PCs of this age and spec. Most medium processor core notebook PCs that were launched around the same time as it support a 133MHz processor memory clock speed. This portable PC also supports 1 and 333MHz processor memory clock speeds.
This portable PC's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor amongst all portable PCs of a similar age and spec to the U310.
Amongst similar types of portable PC the worst supported memory clock speeds supported by processor is 133MHz.