But unfortunately, that is not the case. One example of this phenomenon includes the increased storage capacity that can be had for the same price over the past year. This price doesn't include professional installation or shipping charges, but it does give you an idea of how fast technologies change. The role of high-density platter technology.
Hard disks spin platters like a record player spins records.
If the old hard disk and the new hard disk spin at the same speed, the one with the higher density platters will be faster since more data moves past the read-head in the same amount of time. In addition, these new drives may actually be smaller than their predecessors and produce less heat, which means they're likely to work longer. In short, it is highly unlikely that any used hard disk could be sold that would be a better drive than a new hard disk, or have a better price. Price and Value With technology items, there's definitely a price point that's optimal for a particular item. The older, smaller drive is actually more expensive than what is in mainstream production now.