The Edge E540 supports a 1,600MHz processor memory clock speed which is faster than most many processor core portable PCs that were launched around the same time as it. Most laptops of this type and age support a 133MHz processor memory clock speed. This notebook PC also supports 1 and 333MHz processor memory clock speeds.
A 1,600MHz processor memory clock speed is in fact the best supported memory clock speeds supported by processor amongst all many processor core portable PCs that have been on the market for a comparable time to the Edge E540.
The worst supported memory clock speeds supported by processor across comparable types of notebook PC is 133MHz.