The HP ENVY x360 15-u000na has a better storage medium than most portable PCs that have been available for around the same time as it. This notebook PC has an HDD storage medium, whereas most 2 in 1 laptops that are a similar age to 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.
An HDD storage medium is actually the worst storage medium across all similar spec notebook PCs that are a comparable age to the ENVY x360 15-u000na.
An SSD storage medium is the best storage medium amongst comparable types of laptop.
If the storage medium of this portable PC is too bad for you then you might want to consider the Lenovo Yoga[plb_2430247_price] (SSD), or the HP Pavilion x360[plb_2404650_price] (SSD).