The Asus Transformer Book T300FA has a better storage medium than most 2 in 1 laptops that have been on the market for around the same time as it. This Asus portable PC has an HDD storage medium, whereas most 2 in 1 laptops that have been on the market for a similar time 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.
This portable PC's storage medium (HDD) is actually the worst storage medium amongst all portable PCs of this age and type.
An SSD storage medium is the best storage medium across similar types of portable PC.