Best Buy: SanDisk 512MB microSD/ TransFlash Memory Card SDSDQ-510-A10M
SDC/512 Kingston 512MB microSD Flash Memory Card Compatible with Motorola and BenQ Phones
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512mb Memory Tf(micro Sd) Card For Nextion Project Uploading - Mobile Phone Sim Cards - AliExpress
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