Check coverage by serial number on the manufacturer's own validation page — Seagate, Western Digital and Toshiba each run one. Consumer and entry NAS drives commonly carry 3 years; Pro and enterprise models commonly carry 5. Shucking, opening the drive, or removing labels ends coverage. The live table below shows which in-stock drives carry 5-year warranties right now, cheapest per terabyte first.
Every check needs the same two things: the drive's serial number and its model number. Both are printed on the drive label, and both can be read from software without opening anything — CrystalDiskInfo on Windows, smartctl -i on Linux and macOS, or the manufacturer's own utility. Copy them exactly; a transposed character returns "not found" and sends people to support chat for no reason.
One caveat that surprises buyers of grey-market or heavily discounted stock: warranty status follows the drive, not the receipt, and manufacturers occasionally show coverage as starting at manufacture date rather than purchase date for units that entered the channel through unofficial routes. If a lookup shows less remaining coverage than the box promised, that history is usually the reason — worth a check before you buy, not after.
Live from our tracker · prices updated every 4-5 hours · last checked 8 min ago · in-stock drives whose tracked warranty is 5 years, cheapest per TB first
| Drive | Cap | Cond | Warranty | $/TB | Price | |
|---|---|---|---|---|---|---|
| Toshiba MG Series 8TB Enterprise SATA | 8TB | NEW | 5 yr | $10.63 | $85.00 | Buy → |
| MDD 3TB SAS 6G 7200RPM | 3TB | NEW | 5 yr | $11.33 | $33.99 | Buy → |
| MDD 6TB SAS 12G 7200RPM | 6TB | NEW | 5 yr | $13.33 | $79.99 | Buy → |
| MDD 10TB SAS 12G 7200RPM Enterprise | 10TB | NEW | 5 yr | $14.00 | $139.99 | Buy → |
| MDD 10TB SAS 12G 7200RPM | 10TB | NEW | 5 yr | $15.00 | $149.99 | Buy → |
| MDD 20TB SAS 12G 7200RPM Enterprise | 20TB | NEW | 5 yr | $15.50 | $309.99 | Buy → |
| MDD 20TB SAS 12G 7200RPM Enterprise | 20TB | NEW | 5 yr | $15.50 | $309.99 | Buy → |
| WD Ultrastar DC 20TB Renewed | 20TB | REFURB | 5 yr | $16.40 | $327.99 | Buy → |
Warranty length tracks product tier, and the tiers are consistent across the three manufacturers. Consumer desktop and entry NAS drives are commonly 3-year products. Pro-tier NAS drives and enterprise nearline models — IronWolf Pro, WD Red Pro, Exos, Ultrastar, Toshiba MG — are commonly 5-year products, and that longer coverage is part of what the tier premium buys, alongside higher workload ratings and rotational-vibration tolerance. The table above shows which specific models in our tracked catalog carry the 5-year figure today, so you can price the coverage rather than assume it.
Refurbished coverage is its own world, and a genuinely confusing one: manufacturer-recertified drives carry factory terms, established resellers offer their own multi-year backing, and marketplace listings sometimes offer a short return window that reads like a warranty but is not one. That spread is exactly where buyers get surprised, so it has a dedicated page — refurbished drive warranties — with a live table showing which refurb listings actually carry tracked coverage.
A note on what warranties cover and do not. They cover the drive failing: mechanical faults, SMART threshold trips, dead electronics inside the coverage window. They do not cover your data — no manufacturer offers data recovery as part of a standard warranty, replacement drives arrive empty, and originals are not returned. That single fact reorders the whole process: recovery first, claim second, which is why Seagate's own RMA guidance says to recover data before starting.
Shucking. Pulling a drive out of an external enclosure ends that product's warranty, and the bare drive inside has no separate coverage to fall back on. It is a knowing trade — cheaper terabytes for no protection — and our shucking guide treats it as such. Shucked drives belong where failure is survivable, not in the one array slot you cannot afford to lose.
Opening the drive or removing labels. Manufacturers inspect returns, and both are immediate disqualifiers: the sealed enclosure is the product, and the serial-bearing label is the claim. This also rules out the folklore repairs — every "just open it and free the stuck head" video ends any chance of a warranty replacement, on top of ending any chance of professional recovery.
Physical damage attributable to handling. Dents, bent SATA connectors, water marks and burn damage read as mishandling during inspection, and claims come back rejected. The practical discipline: treat a failed drive like a warranty asset from the moment it fails — anti-static bag, padded box, no loose transit — because the inspection standard does not soften for drives that were dead on arrival at the warehouse. The RMA guide covers packing specifics.
Live replacement options · prices updated every 4-5 hours · last checked 8 min ago · CMR-family drives only (RAID-safe)
| Drive | Cap | Cond | Warranty | $/TB | Price | |
|---|---|---|---|---|---|---|
| WD Ultrastar DC HC520 12TB SATA | 12TB | REFURB | 5 yr | $19.17 | $229.99 | Buy → |
| MDD 12TB SATA 6G 7200RPM NAS | 12TB | NEW | 5 yr | $19.17 | $229.99 | Buy → |
| HGST 12TB SAS 12G 7.2K | 12TB | REFURB | see listing | $21.85 | $262.20 | Buy → |
| HP 12TB SAS 7.2K LFF Enterprise | 12TB | REFURB | 5 yr | $22.62 | $271.40 | Buy → |
If your drive is covered and you are ready to claim, the RMA process guide walks the universal sequence brand by brand — validation, recovery-before-shipping, Advanced RMA cross-shipping, packing rules, and the honest timeline expectations. If the drive is covered but sitting in a degraded array, the more urgent question is whether to wait at all: our RMA-or-replace guide runs that decision against live per-capacity prices.
If it is out of warranty, the useful questions become how long drives actually last (our lifespan guide covers service life, power-on hours and proactive replacement) and what the replacement costs today — the picks above, refreshed every few hours. And if the drive still works but you are retiring it, healthy drives hold real resale value in this market: the used-drive tracker prices that live.
Coverage has become a bigger part of the value equation than it was in cheaper years. When replacement costs climb, the difference between a drive that fails free in year four and one that fails expensively is the whole warranty argument — and the premium for longer coverage is often smaller than the risk it retires. The table above exists to make that comparison concrete: sort by $/TB, read the warranty column, and see whether the 5-year models are actually costing you anything at your capacity.
Two habits make coverage usable when you need it. Record serial numbers and purchase dates at install — a two-minute note beats an archaeology dig three years later, and it is the same record the array-replacement discipline asks for. And check status before the drive fails rather than after: a lookup while everything is healthy tells you which drives in the box are still protected, which turns warranty from a hopeful afterthought into a planning input for your next replacement cycle.
Every major manufacturer runs a serial-number lookup: Seagate's Warranty Validation page, Western Digital's support site, and Toshiba's storage support portal. You need the serial number and usually the model — both are printed on the drive label, and software like CrystalDiskInfo or the manufacturer's own tool reads them without opening the machine. The lookup returns coverage status and expiry date, which is the only authoritative answer.
Coverage tracks product tier rather than brand: consumer and entry NAS drives commonly carry 3 years, while Pro-tier NAS and enterprise models (IronWolf Pro, WD Red Pro, Exos, Ultrastar, Toshiba MG) commonly carry 5. Our live table above filters to what our tracker actually shows with 5-year coverage, so you can see which specific in-stock models qualify today rather than relying on the general rule.
Yes — removing a drive from its external enclosure ends the enclosure's warranty, and the bare drive inside typically carries no separate registration you can claim against. That is the standing trade in shucking: a lower price per terabyte in exchange for no coverage. Our shucking guide is explicit about it, and it is the main reason shucked drives belong in roles where a failure is an inconvenience rather than an emergency.
Physical tampering is the universal disqualifier: opening the drive, removing or defacing labels (the serial is the claim), and damage that the vendor's inspection attributes to mishandling — dents, bent connectors, water, burn marks. Manufacturers inspect returned units, and a claim that fails inspection comes back rejected. Handle failed drives as carefully as working ones until the claim is settled.
It depends entirely on who refurbished them. Manufacturer-recertified units carry a factory warranty; established resellers back their own drives with terms of their own; and marketplace listings sometimes carry a short seller return window with no real warranty at all. The distinction matters enough that we gave it a dedicated page — see the refurbished warranty guide.
Often, and the live table lets you check rather than guess. Coverage is real value in a market where drive replacement costs have climbed — a 5-year drive that fails in year four is a free replacement, while a 3-year drive in the same slot is a purchase at whatever the market charges that day. When the $/TB gap between a 3-year and a 5-year model is small, the longer coverage is usually the better buy.
Typically a recertified drive of the same capacity, not a new one and not your original — manufacturers repair-and-recertify returned units and ship those out. That is standard industry practice and worth knowing before you file, along with the corollary that matters most: your data does not come back, so recover it before you ship. Our RMA guide walks the whole process.