The storage speed of this PC is HDD, which is typical of many desktop computers of a similar spec and age to it. 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.
If you want a desktop computer with a faster storage speed then you might also want to look at the Shuttle DSA2LS (Flash).