The Lenovo Flex has a better storage medium than most 2 in 1 laptops that were launched around the same time as it. This portable PC has an HDD storage medium, whereas most comparable spec notebook PCs that have been around for 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 laptops of this type and age.
The best storage medium across comparable types of notebook PC is SSD.
Laptops with a better storage medium that might also be worth considering include the Lenovo Yoga (SSD), or the HP Pavilion x360 (£516.00) (SSD).