Delkin Devices has created four new, larger CompactFlash cards in its 420X PRO line. The cards, available with 8GB, 16GB, 32GB and 64GB of memory, are all compatible with high-resolution images and HD video. Each of the cards has a transfer rate of up to 63MB/s and a built-in Error Correction Code that automatically detects and corrects any errors that might occur during data transfer. Prices for these Flash cards range from $129 to $399.