The Lenovo T540p has a better storage medium than most comparable spec portable PCs that are a similar age to it. This notebook PC has an SSD storage medium, whereas most comparable spec notebook PCs that have been around for around the same time as it 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.
This notebook PC's storage medium (SSD) is actually the best storage medium amongst all laptops of this spec and age.
The worst storage medium amongst similar types of notebook PC is HDD.
If you would prefer a notebook PC with a better storage medium then you might want to consider the Elitebook 820 G2 (£750.00) (SSD), or the EliteBook 820 G2 (£770.12) (SSD) both from HP or the Toshiba Tecra Z50 (£1,449.58) (SSD).