The ZBook 17 supports a faster memory clock speeds supported by processor than most similar spec portable PCs that have been available for a comparable time to it. This HP laptop supports a 1,600MHz processor memory clock speed, whereas most medium processor core notebook PCs that have been on the market for around the same time as it support a 133MHz processor memory clock speed. In addition, this laptop 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 notebook PC the worst supported memory clock speeds supported by processor is 133MHz.