The Hoodman 4GB CompactFlash Memory Card RAW 675x UDMA is a state-of-the-art UDMA Class 6 external storage device boasting a transfer rate of 675x...100MB per second (15 seconds per download). A UDMA (Ultra Direct Memory Access) memory card dramatically increases card-to-computer transfer rates when paired with a UDMA-enabled reader.
Hoodman RAW CompactFlash cards now use a SSD (Solid State Drive) flash inside, designed to replace hard drives in computers. SSD flash is the most stable, reliable and expensive flash you can put in a CompactFlash memory card and lasts through 500,000 cycles of life (1 cycle of life equals filling a memory card and then reformatting it). This high-speed card is made in the U.S.A. for professionals who require the highest level of reliability and speed.