Have you ever used the Lexar Professional 1000x 16Gb series cards and what your experience is....?
I use a Lexar 1000x 32 GB on a Canon 5D2. It has failed me once, stopping to record images, without any notice from the camera. Since, I have made it my habit not only to delete old images, but to re-format the card every time. This has helped - so far…