Flash drives are an excellent example of the geometric progression of technology. They are also an excellent example of price increasing geometrically vs. capacity. Some models of USB flash drive have dropped in value to the point of impulse purchase, but how much storage should you spend your money on?
The following charts are based on a comparison of 30 USB flash drives
Figure 1: USB Flash Drive Price vs. Capacity
Figure 2: USB Flash Drive Price Per GB
Observations on Flash Drives:
- 64GB drive are the largest drives commonly available
- Price doubles with capacity, making 64 GB drives expensive
- Cost per GB best with 64GB drive (8GB drive almost ties here)
- The sweet spot for USB flash drives seems to be at 8GB*
*Authors Opinion Only, your need may vary by use.