The Lenovo Flex has a better storage medium than most 2 in 1 laptops that were released around the same time as it. This Lenovo laptop has an HDD storage medium, whereas most 2 in 1 laptops that were released around the same time as it have an SSD storage medium. 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 notebook PC's storage medium (HDD) is in fact the worst storage medium across all portable PCs of this age and spec.
An SSD storage medium is the best storage medium amongst comparable types of notebook PC.
If you would prefer a notebook PC with a better storage medium then you might also want to consider the HP 13-r100dx (£926.71) (Hybrid-HDD).