The HP Mobile Thin Client mt41 has a better storage medium than most notebook PCs of this age and spec. This HP notebook PC has an SSD storage media, whereas most laptops of a similar age and spec to it have an HDD storage media. Solid State Drives (SSD) store data in semiconductors on a circuit board rather than using magnetic or optical media. Solid State Drives have no moving parts which makes them very fast and reliable.
An SSD storage media is actually the best storage medium amongst all notebook PCs of this type and age.
Amongst comparable types of laptop the worst storage medium is HDD.