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External NAND flash with nRF5340 (non-SPI)

I feel like a crazy person looking to store large amounts of data onto an external chip that is not a micro-SD (why not micro-SD? It's power-hungry and finicky). NAND through SPI seems to have a hard limit around 2-4Gb, but using the NAND flash interface you can go much higher (albeit, using more pins). Is there any precedence for seating NAND flash next to the nRF5340 and a library to handle the protocol? How else are people getting away with low power data logging? Thanks,

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