The EliteBook 850 supports a faster memory clock speeds supported by processor than most medium processor core notebook PCs that have been around for around the same time as it. This notebook PC supports a 1,600MHz processor memory clock speed, whereas most laptops that were released more than two years ago support a 133MHz processor memory clock speed. This portable 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 portable PCs of a similar age and spec to the EliteBook 850.
The worst supported memory clock speeds supported by processor across similar types of notebook PC is 133MHz.