SanDisk Extreme Pro CompactFlash 16 GB Memory Card 90MB/s SDCFXP-016G-X46 Extreme speed up to 45 MB/s speed means you'll get the shot you want with more continuous burst mode shooting and rapid transfers to your computer. CAPACATITIES: 16GB, 32GB, 64GB give you more room to capture RAW+JPEG, sequential bursts and high-definition video UDMA: UDMA 6 enabled (works in all UDMA modes) POWER CORE CONTROLLER and ENHANCED SUPER-PARALLEL PROCESSING "ESP": was invented by SanDisk to increase the card's performance level. DURABILITY: Shock protection and RTV silicone coating added inside for protection against moisture and humidity