Transcend 4GB 133x Ultra Speed Compact Flash Card Capacity:4GB   Transcend's 133X Compact Flash cards offer the perfect combination of speed, capacity, and reliability. To ensure ultimate compatibility and speed, Transcend's 133X cards operate in both dual-channel and Ultra DMA mode 4, making consecutive shooting and non-stop video recording easier than ever. Impressive transfer speeds and enormous capacities up to 32GB ensure you get the very best results from your high-tech digital equipment.