The Toughbook CF-54 has a better storage medium than most comparable spec notebook PCs that have been around for a similar time to it. This Panasonic portable PC has an SSD storage medium, whereas most medium processor core notebook PCs that were released one year ago have an HDD storage medium. 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 medium is in fact the best storage medium amongst all laptops of this age and spec.
Amongst similar types of portable PC the worst storage medium is HDD.
Portable PCs with a better storage medium that might be worth considering include the Elitebook 820 G2[pl_2886802_price] (SSD), or the EliteBook 820 G2[pl_2897415_price] (SSD) both from HP.