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SATA is based on sending command and data packets between the drive and host system. Each packet is checksummed with a CRC algorithm so the other end can tell if it arrived OK. SMART attribute C7 CRC Error Count tracks whether the drive is seeing corrupted packets on its SATA interface. It's possible for this to happen due to drive failure, but the good news for you is that usually it's a bad SATA cable. Swap that thing out. You could borrow the cable from your HDD to test this theory since that cable appears to be fine. (This also explains why things get super slow, by the way: when bad SATA packets are detected, the SATA protocol just retries until a good copy of the packet gets through. That might take a while if the cable is really terrible, so things can slow down dramatically.)
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Jun 15, 2016 08:40
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| # ¿ May 22, 2024 13:26 |
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