I have always used either sandisc or Kingston cards in my book courier and these seem to do the trick. If you want a good website to buy these for cheap, let me know and I will be happy to give you one. -----Original Message----- From: bookcourier-bounce@xxxxxxxxxxxxx [mailto:bookcourier-bounce@xxxxxxxxxxxxx] On Behalf Of Carter, Clarence (DSCP) Sent: Tuesday, August 10, 2010 7:30 AM To: bookcourier@xxxxxxxxxxxxx Cc: Clarence carter Subject: [bookcourier] Question About Memory Card Folks, I know that I have asked about this before, but I need to know the model number and brand. I have had very little success in finding the correct replacement. Thanks