Sandisk 4GB COMPACTFLASH CARD ( SDCFB-4096-A10  Retail Package) Up to 4GB (4,000,000,000 characters) capacity For use in virtually all products that accept CompactFlash memory cards Non-volatile solid-state; no moving parts maximizes battery power. Data is not lost when power is turned off Operating shock rating of 2,000Gs, equivalent to a 10-foot drop to the floor (memory card alone)