Get it by Sunday October 29th by choosing the expedited option during checkout.
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
4 GB Sony PRO DUO (Mark 2) Memory Stick for PSP