ILCE-7M4 | Help Guide | Memory cards that can be used
Insert the memory card into the slot 1. ... Slot 1 supports both CFexpress Type A memory cards and SD memory cards. Slot 2 supports SD memory cards only.
SD Memory Card Formatter for Windows/Mac - SD Association
Watch our video on how to use the SD Memory Card Formatter SD Memory Card Formatter 5.0.3 for SD/SDHC/SDXC/SDUC The SD Memory Card Formatter formats SD Memory Card, SDHC Memory Card, SDXC Memory Card and SDUC Memory Card (respectively SD/SDHC/SDXC/SDUC Cards) complying with the SD File System Specification created by the SD Association (SDA). It... Read more »
New Nintendo 3DS - Wikipedia
32GB SD SDHC Flash Memory Card FOR NINTENDO 3DS N3DS 2DS XL DS DSI & Wii Media Kit. (Not compatible with New 3DS).