SanDisk Extreme Pro CompactFlash cards have been designed to handle the latest DSLR cameras that need to write more data quickly. Up to 90MB/s write speed can be achieved with this card allowing burst mode to be a lot quicker.

SanDisk Extreme Pro CompactFlash cards with lightning-fast (up to 90 MB/s* write) speed, you’ll be able to capture more continuous burst shooting-and get the most out of your professional digital SLR camera. And with up to 64GB** of storage, you’ll be ready for more RAW+JPEG and high-def video.
The 16GB Extreme Pro card is priced at $304 while the 32GB will cost you $507.99 and the 64GB will cost $811.99. Each of the cards has the same write speed possibilities although to achieve the 90MBps your camera needs to be capable of those speeds too.