Used
$23.75/TB
8TBSATA
Seagate BarraCuda ST8000DM004 8TB SATA 6Gb/s 3.5" HDD Low Hours 2 Years Warranty
$189.96
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8TB Hard Drives
8TB enterprise hard drives sit at the entry point for bulk storage. They give enough space per bay for a useful NAS or backup target, at a size where a RAID rebuild still finishes in a reasonable time. Lines at this capacity include Seagate Exos 7E8, Ultrastar HC320, WD Gold and NAS models such as IronWolf and WD Red, along with desktop drives such as BarraCuda. Many 8TB models are air-filled rather than helium-sealed. They are a good fit for four and five bay NAS units, homelab backup pools, and replacing failed members of an existing 8TB array with a matching size. When comparing listings, check the interface (SAS or SATA) against your controller, the sector format, and the power-on hours, which we read from every drive and list. Every used drive here passes SMART health and an extended self-test before it ships.
1 in stock · Tested in-house · 30-day returns
8TB Hard Drives: common questions
Is an 8TB drive still worth buying?+
For smaller NAS units and backup pools, yes. Smaller drives rebuild faster, and a matching size is often the simplest way to replace a failed array member. Use the RAID calculator to compare usable space against larger drives.
How do I know how many hours a drive has?+
We read power-on hours from the drive’s own SMART counter. On certified listings they are printed on the certificate in the box and shown on the unit’s public test report. The counter stays on the drive, so you can read it yourself on arrival with any SMART tool.
What warranty comes with these drives?+
Used drives carry a 90-day warranty, and certified tiers carry up to 2 years; the exact term is on each listing. New sealed drives keep the manufacturer warranty. Every order also has 30-day returns.