The Lenovo Flex 3 11 has an HDD storage media which is better than the SSD storage media found on most notebook PCs that were launched around the same time as 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.
This portable PC's storage medium (HDD) is actually the worst storage medium amongst all notebook PCs of a similar type and age to the Flex 3 11.
Amongst comparable types of portable PC the best storage medium is SSD.
If the storage medium of this portable PC is not good enough for you then you might also want to look at the DELL XPS 12[plb_2396801_price] (SSD and higher rated).