Amazon.com: Elite Memory 2 Pack 512mb Memory Cards Compatible with 512 MB SD Cards, 2 Pack Memory Cards and Cases w/Built to Last! Microfiber Cloth, Compatible with All SD Devices : Electronics
Original Mini Sd Card 32mb 64mb 128mb 256mb 512mb 1gb 2gb 4gb Minisd Card Flash Memory Card For Cellphone - Memory Cards - AliExpress
Amazon.com: Lerdisk Factory Wholesale 6-Pack Micro SD Card 512MB in Bulk Small Capacity Produced by 3C Group Authorized Licencee for Small Files Only, NOT Suitable for Camera or Phone (NOT GB, 1024MB=1GB) :
SanDisk 512MB microSD/TransFlash Card SDSDQ-512R B&H Photo Video
Amazon.com: 3 Pack 512mb Micro Memory Cards Compatible with 512mb Micro SD and 512 MB Micro SD HC Devices, 3 Pack Adapters and Micro TF Memory Cards w/Built To Last! Microfiber Cloth,
Amazon.com: SanDisk 512MB SD Secure Digital Memory Card : Electronics