Amazon.com: SanDisk SDXC Ultra 256GB Memory Card for Camera Panasonic Lumix Works with DC-G100, DC-G110, G7, GX85, GX80, GX7 Mark II (SDSDUNR-256G-GN6IN) Bundle with (1) Everything But Stromboli SD Card Reader :
Replacement for Discontinued Panasonic Industrial SD and microSD cards
Amazon.com: Panasonic BN-SDUSB3U USB Reader/Writer for SD/SDHC/Micro SD Cards : Electronics
Panasonic 64 MB SD Card Non HC SD Memory Card 64MB,RP-SD064B | eBay