4 GB Sony PRO DUO (Mark 2) Memory Stick for PSP

Features

• 4 GB storage capacity with 3.66 GB available
• Minimum write speeds of 15 Mbps on Memory Stick(R) PRO Duo enabled devices optimized with 4-pin parallel interface
• Increased operating temperature range of -13° F to 185° F for greater durability
• Adapter not included
• Compatible Systems: PSP 1000 system, PSP 2000 system, PSP 3000 system