The Buffalo RUF2-RVS series USB Thumb-key is currently available in 4, 8 or 16GB of storage capacity. It is the SLC type memory card that can achieve transfer speed up to 38MB/sec. If you want a larger capacity, then you can choose the RUF2-LVS series Thumb-key which is available up to 32GB but offer only 30MB/sec in data transfer speed. [Akihabara]
