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
512MB micro SD Memory Card : ID 5252 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Clodisk Small Capacity 10 Pack Micro SD 512MB Bulk Pack (NOT GB) with MicroSD Adapter Reader Memory - Walmart.com
Dream Flash 512MB Micro SD カード 携帯電話 | 3070.be
Best Buy: SanDisk 512MB microSD/ TransFlash Memory Card SDSDQ-510-A10M
Created the world's first 512MB microSD memory card | gagadget.com