WDC WD30EFRX-68AX9N0 Massive Slowdown

HDD has massive slowdown on reasd an especially writes.
Writes are at 1MB/s.
Tried 3 computers, win7/10, free dos, same results.
Reformatted, blanked, deleted - same.

Dont know what to do?

Any help would be appreciated.


Hi Milika,
I have exactly the same situation… have someone clou of this issue?

Best regards.

It was massive bad block in my case, but not visible with normal software.
Sorry :slight_smile: