400GB Sandisk Ultra microSDXC (C10, A1) for $79

If your cameras or action cameras or smartphones or other devices take 400GB memory cards, as of the time of writing, Amazon herself is offering the new condition 400GB Sandisk Ultra micro SDXC (C10, A1) for $79 with free shipping. You can buy as many as you like [technically the limit is 20 but that’s more than enough for most people].