Even professional photographers rely on a high-quality standard DSLR memory card for everyday use and the reliable storage of digital data. Delkin Devices 4GB Standard CompactFlash 125X offers moderate speed and performance for the efficient transfer of large files and is guaranteed compatible with all CompactFlash hosts. This storage unit is specially optimized for digital photography, music and data transfer and utilizes advanced wear leveling and rugged components to ensure superior performance in your camera. Specifically, our product has been tested to perform with the same superior quality under extreme environmental conditions anywhere between 32F and 158F. With read and write speeds up to 18 MB/s, this low-power digital camera card is ideal for entry-level photographers looking for high-capacity storage.