SanDisk 4GB Memory Stick PRO Duo Flash Memory Card SDMSPD-4096-B35- Retail packaging 5 Year Warranty Compatible with all Memory Stick PRO-compatible devices Larger storage capacities than standard Memory Stick cards Large 4GB Capacity Exceeds minimum Memory Stick PRO specifications Large 4GB Capacity Larger storage capacities than standard Memory Stick cards Exceeds minimum Memory Stick PRO specifications Compatible with all Memory Stick PRO-compatible devices 5 Year Warranty