... Retention: 10 Year Minimum Durability: 10,000 insertion CF CARDS/CF memory cardS Specification - Capacities* - 128MB, 256MB, 512MB, 1GB,2GB,4GB, ... .3mm-Operating Voltage: 3.3V/5V- Operating Temperature 0°c- to 60°c - Storage Temperature -20°c- 85°c- Standardized - complies ... /98/95 and Mac OS 8.6 and Above HOT CF CARD FOR DIGITAL CAMERA 1GB 2GB 4GB 8GB 16GB