The Probook 450 supports a faster memory clock speeds supported by processor than most laptops that have been available for more than two years. This HP laptop supports a 1,600MHz processor memory clock speed, whereas most portable PCs that are a similar age to 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 in fact the best supported memory clock speeds supported by processor amongst all portable PCs of this age and type.
Amongst similar types of portable PC the worst supported memory clock speeds supported by processor is 133MHz.