The storage speed of this computer is HDD, which is typical of many computers of this type 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.
It may also be worth also looking at one of the alternative HDD personal computers currently available including the Zotac ZBOX BI320 which has better reviews.