This laptop has an HDD storage media, which is the most commonly found storage media on many processor cores notebook PCs that have been around for a comparable time 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 considering one of the other laptops that have an HDD storage media currently available including the HP 255 G3, the DELL Precision M4800, or the Toshiba X70-B which has better reviews.
If the storage medium of this Lenovo portable PC is not good enough for you then you might want to consider the EliteBook 755 (SSD), or the Pro (SSD) both from HP or the Lenovo W541 (SSD) which also has a higher rating.