The Asus T100TA has an HDD storage medium which is better than most 2 in 1 laptops that are a comparable age to it. Most 2 in 1 laptops that have been available 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 across all notebook PCs that have been around for around the same time as the T100TA.
An SSD storage medium is the best storage medium amongst similar types of portable PC.