Product DescriptionPNY's Optima Pro UDMA CompactFlash cards perform at a substantially higher sustained write speed than standard CompactFlash cards. Reduced click-to-click time so you won't miss any of the action. PNY Optima Pro UDMA cards are expressly created for high-end UDMA mode digital SLR cameras that can maximize their performance with this improved technology. Let PNY Optima Pro UDMA CompactFlash help you get the most out of your equipment.