This notebook PC has an HDD storage medium, which is the most frequently found storage medium on portable PCs of this type and age. 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.
Alternative notebook PCs that have an HDD storage media currently available which you might also want to consider include cheaper portable PCs such as the Asus F551CA.
Portable PCs with a better storage medium that might be worth looking at include the Fujitsu LifeBook A544 (SSD) which is also cheaper.