EMMC vs SPI-NAND vs SD Card

[busti]

Just wondering, why would I want to use one over the others as a boot device?

[totkeks (Norman Dankert)]

SD vs NOR vs NAND vs eMMC installation

I’m the author of OpenWrt support for this device. While many users here may use this device as-is, it also serves as a reference platform for this SoC. As such the goal is to support as many potential uses of the SoC as possible, while for a final product one may never actually use all of them at once. Which storage option(s) you will want to use really depends on your individual use case. Each storage option is more than large enough to store a production and recovery system when using OpenW…

[busti]

That is a great write-up and makes a ton of sense.
Thanks a lot for linking it <3