This notebook PC has an HDD storage medium, which is typical of many notebook PCs of a comparable age and spec to it. 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.
It may also be worth also looking at one of the other portable PCs that have an HDD storage media currently available including because of it's better review score, the W541, or the 11e both from Lenovo or the Asus N550JK.
If the storage medium of this many processor core laptop is not good enough for you then you might want to consider the Asus N550JK (SSD and higher rated), the DELL Precision M3800 (SSD and higher rated), or the Lenovo ThinkPad W541 (SSD and higher rated).