The ENVY 17-j170ea supports a faster memory clock speeds supported by processor than most laptops of this age and type. This HP notebook PC supports a 1,600MHz processor memory clock speed, whereas most many processor core portable PCs that are a similar age to it support a 133MHz processor memory clock speed. In addition, this notebook 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 notebook PCs of this age and spec.
Across similar types of laptop the worst supported memory clock speeds supported by processor is 133MHz.