The HP 600 G2 has an SSD storage medium which is faster than most latest personal computers. Most recently released similar spec desktop computers have an HDD storage medium. Solid State Drives (SSD) store information in transistors on a circuit board rather than on optical or magnetic media. This has the advantage of being much faster than a traditional HDD drive.
An SSD storage medium is in fact the best storage speed across all medium processor core PCs that were launched in the last 12 months.
An HDD storage medium is the worst storage speed across comparable types of personal computer.