Smallest Swissbit do is 512MB, but that's as it's SLC flash so far lower capacity. https://www.swissbit.com/en/products/product-finder/products/?pn=SFSD0512N1AS

Smallest Swissbit do is 512MB, but that's as it's SLC flash so far lower capacity. https://www.swissbit.com/en/products/product-finder/products/?pn=SFSD0512N1AS1TO-E-ME-221-STD https://www.swissbit.com/en/products/product-finder/products... Looking at pricing, 1GB is only about 25% more in unit quantity. https://www.mouser.co.uk/ProductDetail/Swissbit/SFSD1024N1AS1TO-E-DF-221-STD https://www.mouser.co.uk/ProductDetail/Swissbit/SFSD1024N1AS... MLC/TLC flash will be 2GB and up, and most consumer cards you can buy.