16GB UHS-1 SDHC cards bogging down after 5000 photos written on Nikon V1

Memory Cards Mobile memory, professional cards and all other st
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I RMA’d these two cards to Sandisk on May 22. UPS shows they got them on 5/30. Nearly two weeks later, and “My SanDisk” shows no progress - not even that they’ve received them. Does it usually take this long to process an RMA?