CRC error

I have just got a CRC error on an SSD running as a cache pool, raid 0, on unraid. Should I be concerned and RMA the SSD or ignore it? I have just started an extended SMART test.

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We need more info about the drive. Is it new? If so, absolutely RMA it. Just isn’t worth the headache even if the self test reports fine. If not new, how many hours? Reads? Writes? Any failures reported by SMART? Et cetera.

The more info, the better. I work in SSD failure analysis/firmware development.