I’m looking at some 16 gig USB flash drives which have a double line of “RMRMRMRM” etched over the Sandisk logo on the chip.
I’ve attached a picture of the chip. The USB drives themselves are unlabelled, but since I can make out “Sandisk”, here I am looking for help.
Would anybody be able to advise as to what the “RMRMRMRM” means, and would it preclude these drives being classified as “Grade A”?
Thanks very much