I purchased this on Amazon yesterday. It has been opened, but it is unused. * I haven't used it because the card format is incompatible. — ● "Memory Stick PRO-HG" format, approximately 6 times faster read speed compared to "Memory Stick PRO Duo" (Mark2). Enables high-speed continuous shooting with digital SLR cameras such as "α900". ● Stress-free transfer of large-capacity data such as videos. ● Achieves a high-speed data transfer rate of 50MB/s. ● Can be used with existing "Memory Stick PRO" compatible devices. ● Supports copyright protection technology (MagicGate). Usable with devices equipped with the copyright protection function of "Memory Stick PRO". ● Includes a free download bonus of software (Memory Card File Rescue) to recover recorded data that can no longer be read. Capacity: 32GB Type: Memory Stick PRO-HG Duo Maximum Transfer Speed: 50MB/s