how many reallocated sectors indicate a drive should be thrown out?

Question

I purchased some used hard drives on Ebay and crystal disk info is flagging them as bad due to reallocated sectors.

Do reallocated sectors show the drive will fail soon or could the drive work for another few years?

If given the option of a return or a partial refund, what would be best? I'm showing 4095 reallocated sectors.

Thanks.

cpu8088 · Answer

4095 errors&nbsp;this is a throw away item&nbsp;have it returned and get refund&nbsp;

StephenB · Answer

cpu8088 wrote:
4095 errors
&nbsp;
this is a throw away item
&nbsp;
have it returned and get refund
&nbsp;

Agreed. &nbsp;You were sold a bad disk.

miogpsrocks · Answer

Is a hard drive with&nbsp;4095 reallcoated &nbsp;sectors errors and around 40,000 hours &nbsp;mean&nbsp;imminent failure &nbsp;? I have been offered 50% refund to keep the drives. Bringing &nbsp;priced to $19 X 10 drives. I am not sure if they have value as backup storage for things already in a raid system or if better to return these drive and be done with them.&nbsp;&nbsp;What do you think? How serious is 4,000+ reallocated sectors &nbsp;errors?&nbsp;&nbsp;Thanks.&nbsp;

cpu8088 · Answer

well 40,000 hours means 1667 days or 4.57 years.&nbsp;generally enterprise grade hard drive life span is 5 years while desktop drive is about 3 years&nbsp;with such high relocation errors and age i would still refrain from using them.

StephenB · Answer

miogpsrocks wrote:
Is a hard drive with&nbsp;4095 reallcoated &nbsp;sectors errors and around 40,000 hours &nbsp;mean&nbsp;imminent failure &nbsp;? I have been offered 50% refund to keep the drives. Bringing &nbsp;priced to $19 X 10 drives. I am not sure if they have value as backup storage for things already in a raid system or if better to return these drive and be done with them.&nbsp;
&nbsp;

I'd never use a drive with ~4000 reallocated sectors myself, I'd just toss it. &nbsp;Generally I pull drives when reallocated sectors climb into the 30-50 range.
&nbsp;
Of course some of the drives might be ok. &nbsp;If the stats look healthy on some, then perhaps try the destructive write test on them (both seatools and lifeguard have that). &nbsp;It will flush out problems that the non-destructive tests miss.
&nbsp;
But if it were me, I'd just return them. &nbsp;Why buy drives you can't trust?
&nbsp;

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how many reallocated sectors indicate a drive should be thrown out?

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