The Lenovo U410 supports a 1,600MHz processor memory clock speed which is faster than most notebook PCs that have been available for a similar time to it. Most portable PCs of this spec and age 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 actually the best supported memory clock speeds supported by processor across all ultrabooks that were launched around the same time as the U410.
A 133MHz processor memory clock speed is the worst supported memory clock speeds supported by processor across comparable types of portable PC.