The Fujitsu LifeBook U904 supports a 1,600MHz processor memory clock speed which is faster than most laptops of a similar age and type to it. Most notebook PCs that have been around for around the same time as it support a 133MHz processor memory clock speed. In addition, this 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 ultrabooks that have been on the market for more than two years.
Across comparable types of portable PC the worst supported memory clock speeds supported by processor is 133MHz.