NAS Hard Drives
NAS hard drives are built for multi-bay network storage that runs all day. Typical hosts are Synology, QNAP, TrueNAS and Unraid systems in homes and small offices. This page collects NAS lines such as Seagate IronWolf and IronWolf Pro, WD Red Plus and Red Pro, and Toshiba N300. Compared with desktop drives they add error recovery control, so a slow sector read does not get a disk dropped from a RAID set, and they are rated for the vibration of neighbouring drives in a multi-bay chassis. When you shop used, confirm the drive uses CMR recording rather than SMR, because SMR drives can rebuild slowly in a RAID array. Also compare power-on hours, since NAS drives are often pulled from systems that ran around the clock. We read the hours from every drive and list them, and every used drive passes SMART health and an extended self-test before it ships.
Tested in-house · 30-day returns
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Tell us what you needNAS Hard Drives: common questions
Can I use enterprise drives in a NAS instead of NAS drives?+
Yes. Enterprise drives such as Exos and Ultrastar are rated for continuous duty and work well in NAS units. They can run louder and warmer than NAS lines, which matters more in a living space than in a closet or rack.
What is the difference between CMR and SMR?+
CMR drives write tracks side by side. SMR drives overlap tracks to fit more data, which slows sustained writes and RAID rebuilds. For a NAS, CMR is the safer choice; check the model number against the maker’s CMR list if you are unsure.
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.