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SD card
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===SDSC cards above 1 GB=== [[File:Sd4gy crop.jpg|thumb|4 GB SDSC card]] SD version 1.00 assumed 512 bytes per block. This permitted SDSC cards up to 4,096 Γ 512 Γ 512 B = 1 GB.{{efn|name="GiB"}} Version 1.01 let an SDSC card use a 4-bit field to indicate 1,024 or 2,048 bytes per block instead.<ref name="SDHCspec"/> Doing so enabled cards with 2 GB and 4 GB capacity, such as the Transcend 4 GB SD card, the Memorette 4 GB SD card and the Hoco 4 GB microSD card.{{citation needed|date=September 2023}}
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