The Tecra Z40 has an SSD storage medium which is better than most medium processor core notebook PCs that have been around for around the same time as it. Most medium processor core notebook PCs that were released more than two years 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.
This laptop's storage medium (SSD) is actually the best storage medium amongst all medium processor core notebook PCs that are a similar age to the Tecra Z40.
Amongst comparable types of laptop the worst storage medium is HDD.
There are a number of other portable PCs that have an SSD storage media currently available that you might want to look at including cheaper laptops such as the XPS 13[pl_1304263_price], or the XPS 13[pl_1304263_price] both from DELL or the HP EliteBook 840[plb_2446584_price].
Laptops with a better storage medium that might be worth looking at include the DELL XPS 13[plb_2601999_price] (SSD).