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Rarely used microSD Express cards sell out in Japan after Switch 2 unveiling

Nintendo Switch 2 requires microSD Express, which only SanDisk and Lexar currently offer
Bottom line: The SD Express standard for memory cards initially debuted in 2018 but has seen virtually no use because most devices don't meet its bandwidth specifications. The Nintendo Switch 2 might be the first widely available product that requires microSD Express, and its unveiling has already sparked a substantial sales spike for the format.