ITAD Knowledge
What happens to old hard drives?
An old hard drive takes one of four routes: it is reused, resold as working stock, recovered for its materials, or physically destroyed. Which route is available depends almost entirely on whether the drive is still intact. Once a drive is drilled, hammered or degaussed, only one route remains.
The four routes, in order of value
1. Reuse
A drive that still works and reports acceptable health can go straight back into service. This is by far the highest-value outcome, and a large share of drives pulled during a refresh fall into it — they were replaced because the server was replaced, not because they failed.
2. Resale as tested stock
Drives that test acceptably are sold on into markets where used enterprise storage is in demand. Capacity, interface, form factor and health reporting all affect where a drive lands.
3. Material recovery
Drives that cannot operate still contain aluminium, rare-earth magnets, steel and a small circuit board. Recovery extracts what is there. It is a legitimate outcome, and a fraction of the value of the first two.
4. Physical destruction
Drilling, hammering, shredding and degaussing destroy the drive permanently. Sometimes policy requires it. But it should be a conscious decision, because it removes every other option irreversibly.
Why degaussing ends the story
This surprises people, so it is worth being precise. A hard drive does not only store your data magnetically — it also stores servo information written at the factory, which the drive uses to position its heads. Degaussing erases both. The drive is not merely wiped; it is no longer a functioning mechanism and cannot be re-initialised. That is why degaussed drives sit outside TAR's intake criteria while dead drives do not.
What TAR does with drives
Storage media is segregated from everything else on arrival and handled as its own controlled stream. Drives are evaluated individually rather than by the pallet, because a mixed pallet almost always contains three different outcomes.
To be unambiguous: TAR provides secure storage media handling. TAR does not provide certified data destruction or certified erasure and issues no certificates for either. If your policy requires certified destruction, it must happen before the media leaves your control.
Practical guidance for anyone holding retired drives
- Decide the data policy before the drives are pulled, not after they are in a box.
- If destruction is not required by policy, keep drives intact — it preserves every option.
- Keep drives with their caddies where possible.
- Pack drives so they cannot move against each other. Transit damage converts route two into route three.
- Describe the lot honestly, including the share you believe to be dead.
Frequently asked
Frequently asked
Do old hard drives have any value?
Yes, if they are physically intact. Working drives have reuse and resale value; dead drives have component and material value. Destroyed drives have only material value, and much less of it.
Should I destroy drives before selling them?
Only if your data policy requires it. Destruction removes reuse and resale value permanently, and destroyed media falls outside TAR intake criteria.
Does TAR buy dead drives?
Yes, provided they are physically intact.
Next step
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