How much memory your camera has?

[Jack]

I use 32 and 64GB cards. I format the cards after i transfer the files to the computer. So even a 16GB card would be more then enough for me, i almost never get more then 100 photos on the card before formatting it.

Personally I move the photos to my 10TB external hard driver before formatting my card.

 

[Jack]

I use a 64 GB Nikon XQD card on my Nikon Z7. I can take about 650 photos, which is usually enough for a day, I unload the card every night to sort it out.

A larger card would not necessarily be very useful to me, but a second could be careful. But given the very high cost of XQD or CFExpress cards, it makes you hesitate. They are certainly faster and more reliable than SDs, but their price is exaggerated.

I like large ds cards because I can use them pretty much on all my device. Here for 256 fast Sd SanDisk card cost around £50. Is slightly expensive for just small piece of equipment.