The EliteBook 850 G1 supports a faster memory clock speeds supported by processor than most portable PCs of a comparable age and spec to it. This portable PC supports a 1,600MHz processor memory clock speed, whereas most similar spec laptops that were released around the same time as it 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 actually the best supported memory clock speeds supported by processor amongst all portable PCs of a similar spec and age to the EliteBook 850 G1.
The worst supported memory clock speeds supported by processor amongst similar types of notebook PC is 133MHz.