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The new term being coined in the industry is SSD or Solid State Disk. Other ways it is known includes Solid State Drive, Solid State Storage Drive. Development and adoption of SSD technology has been driven by a need for higher input/output (I/O) performance over traditional magnetic media. Random access with low latency makes SSD technology more appealing. In the past it was cost prohibitive to produce SSD storage and technology limited the number of read write operations before deterioration. The new term being coined in the industry is SSD or Solid State Disk. Other ways it is known includes Solid State Drive, Solid State Storage Drive. Typically when discussing flash memory such as an SD card they are referred to as SD memory. Alternatively, an SSD is not a removable card or USB stick, it is a replacement for the hard drive, where the system operating system typically reside. An SSD uses higher quality flash memory than its portable cousin, the SD. SSD Storage devices are fast and more durable than magnetic storage. SSD devices do have a set life expectancy, as they have a finite number of write cycles before performance becomes erratic. To help mitigate this they utilize wear leveling which is a way to kind of spread out where data is placed on the transistors. Wear leveling is typically managed by the flash controller, which uses an algorithm to arrange data so write/erase cycles are distributed evenly among all the blocks in the device.Development and adoption of SSD technology has been driven by a need for higher input/output (I/O) performance over traditional magnetic media. Random access with low latency makes SSD technology more appealing. In the past it was cost prohibitive to produce SSD storage and technology limited the number of read write operations before deterioration. Both SD and SSD Storage devices are fast and more durable than magnetic storage. These devices do have a set life expectancy, as they have a finite number of write cycles before performance becomes erratic. The higher quality SSD devices have more write cycles than cheaper SD media, and SSD devices also cost more. To help mitigate deterioration of the transistor switches they utilize wear leveling which is a way to kind of spread out where data is placed on the transistors. Wear leveling is typically managed by the flash controller, which uses an algorithm to arrange data so write/erase cycles are distributed evenly among all the blocks in the device.