Amazon.com: SanDisk Extreme Pro 512GB SDXC Card for Panasonic Camera Compatible with DC-S5, DC-BGH1 Class 10 UHS-1 4K V30 (SDSDXXY-512G-GN4IN) Bundle with (1) Everything But Stromboli 3.0 SD Memory Card Reader :
Panasonic hoping to launch 64GB SDXC card | Engadget
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Gigastone 64GB SD Card V30 SDXC Memory Card High Speed 4K Ultra HD UHD Video Compatible with Canon Nikon Sony Pentax Kodak Olympus Panasonic Digital Camera - Walmart.com