The HP Z440 has an HDD storage media which is faster than the Flash storage media found on most many processor cores desktop computers that have been available for more than two years. 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.
This PC's storage speed (HDD) is in fact the worst storage speed across all desktop computers of this age and spec.
The best storage speed amongst comparable types of PC is SSD.