The Flex 15D has an HDD storage media which is better than most similar spec laptops that have been available for more than two years. Most comparable spec laptops that are a similar age to it have an SSD storage media. 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.
This laptop's storage medium (HDD) is in fact the worst storage medium amongst all 2 in 1 laptops that have been around for around the same time as the Flex 15D.
Amongst comparable types of laptop the best storage medium is SSD.
If the storage medium of this 2 in 1 laptop is too bad for you then you might also want to consider the Toshiba U920t[plb_1453648_price] (SSD) which also has a higher rating.