For sale: Sandisk 16 GB SD memory card, suitable for 4K videos. I have 150 cards. Whoever buys all of them will receive a very good discount. Only serious buyers. 16 GB memory card suitable for 4K video recording. I have 150 cards. Whoever wants all of them will get an excellent price. The price per card is 25 dirhams, and whoever takes all will get each card for 15 dirhams.