The storage speed of this personal computer is HDD, which is the most frequently found storage medium on medium processor core personal computers that have been on the market for a similar time 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 the storage speed of this computer is too slow for you then you might want to look at the W530 (£1,035.64) (SSD), or the M740 (£1,513.20) (SSD) both from Fujitsu.