The Satellite C55-B supports a 1,600MHz processor memory clock speed which is faster than most notebook PCs of a comparable age and type to it. Most similar spec notebook PCs that are a comparable age to it support a 133MHz processor memory clock speed. In addition, this portable PC 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 amongst all laptops of this age and type.
The worst supported memory clock speeds supported by processor amongst comparable types of portable PC is 133MHz.