512MB micro SD Memory Card : ID 5252 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Created the world's first 512MB microSD memory card | gagadget.com
Amazon.com: Lerdisk Factory Wholesale Micro SD Card 512MB in Bulk Small Capacity 3-Year Warranty Produced by 3C Group Authorized Licencee for Small Files Storage, NOT Suitable for Camera (NOT GB) : Industrial
Amazon.com: Lerdisk Factory Wholesale 3-Pack Micro SD Card 512MB in Bulk Small Capacity 3-Year Warranty Produced by 3C Group Authorized Licencee for Small Files or Company Use NOT Suitable for Camera (NOT