The HP Z440 has an HDD storage medium which is faster than the SSD storage medium found on most desktop computers of this spec and age. A Hard Disk Drive (HDD) is the traditional storage method for computers. A HDD stores the information on magnetic disks. HDD drives are cheap, but they are slower than Flash and SSD bases storage systems.
We think you might also be interested in some of the alternative HDD personal computers currently available including cheaper personal computers such as the DELL Precision T7810, or the HP Z440.
If you would prefer a PC with a faster storage speed then you might want to look at the HP Z440 MT ($4,293.00) (SSD).