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And no errors and fast again

Have you just rebooted? From googling, 0x4004 might be unrecognised data in some field, so probably the computer trying to speak a newer version of the NVMe protocol than your drive understands. If th

finally found the error.

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New Line error.

ERROR1) The DNS server has not been setup by the Admin. Please contact the Admin for this.

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What url had this error?

`Fatal Error {

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this is the error message I got.

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@ralf could be that it was in some external case and often plugged/unplugged or the likes. each unsafe shutdown might have produced at least one entry in the error log and so on... I wouldn't worry to

The only thing that looks suspicious to me is the 1299 error log entries. That might suggest a fault, I'm not sure. Keep running the test over the next few days and see if it increases. It's possible

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Media and Data Integrity Errors: 0

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Error:

How can I check what the error is? Sometimes it's very fast, sometimes it's slow.