This laptop has an HDD storage medium, which is typical of many medium processor core laptops that have been available for more than a year. HDD is a traditional storage drive which stores the information on magnetic disks. HDD drives are slower than other forms of storage such as solid state drives (SSD) and flash drives.
There are a number of alternative notebook PCs that have an HDD storage media currently available that you might also want to look at including because of it's better review score, the Latitude 14 3450, or the Vostro 15 both from DELL or the HP ProBook 650.
Notebook PCs with a better storage medium that might also be worth looking at include the Latitude 15 3550 (Hybrid-HDD), the Latitude 14 7000 (Hybrid-HDD), or the Latitude E6540 (Hybrid-HDD) all from DELL which also has a higher rating.