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SMART write error rate - should I be concerned?

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I have a WD1002FAEX (1 TB Western Digital Black) that I recently purchased.  I noticed just today that the "Write error rate" SMART attribute had a count of 9.  Should I be concerned?  I haven't pre-cleared the disk yet.  Would you recommend running 3 pre-clears to see if this attribute increases?

 

Here is the SMART info for the disk:

 

HD Tune Pro: WDC WD1002FAEX-00Y9A0 Health

ID                                  Current  Worst    ThresholdData     Status   
(01) Raw Read Error Rate            200      200      51       0        ok       
(03) Spin Up Time                   175      173      21       4208     ok       
(04) Start/Stop Count               100      100      0        33       ok       
(05) Reallocated Sector Count       200      200      140      0        ok       
(07) Seek Error Rate                200      200      0        0        ok       
(09) Power On Hours Count           100      100      0        86       ok       
(0A) Spin Retry Count               100      253      0        0        ok       
(0B) Calibration Retry Count        100      253      0        0        ok       
(0C) Power Cycle Count              100      100      0        31       ok       
(C0) Unsafe Shutdown Count          200      200      0        13       ok       
(C1) Load Cycle Count               200      200      0        21       ok       
(C2) Temperature                    112      107      0        35       ok       
(C4) Reallocated Event Count        200      200      0        0        ok       
(C5) Current Pending Sector         200      200      0        0        ok       
(C6) Offline Uncorrectable          200      200      0        0        ok       
(C7) Ultra DMA CRC Error Count      200      200      0        0        ok       
(C8) Write Error Rate               200      200      0        9        ok       

Health Status         : ok

I would do just as you say.  Run multiple preclear passes and see if the Write Error Rate increases.  If it doesn't, then no big deal.

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