The Latitude 14 E7240 supports a 1,600MHz processor memory clock speed which is faster than most ultrabooks that are a similar age to it. Most ultrabooks that have been on the market for a comparable time to it support a 133MHz processor memory clock speed. In addition, this portable 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 ultrabooks that have been around for more than two years.
The worst supported memory clock speeds supported by processor amongst similar types of notebook PC is 133MHz.