Seagate Exos M 28 TB
Enterprise HDD
Part number ST28000NM003K - 3TE133 · Exos M series · 3.5'' SATA HDD. If your machine is listed below, this drive is officially supported — not a forum workaround.
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No series-level recording rating is on file for this part number yet — check the exact model for CMR vs SMR before buying it as a large cold copy (SMR is the one trait that makes a 16 TB+ backup copy painfully slow). The 3-2-1 guide and the backup tools encyclopedia cover what to schedule it with.
Compatibility verdict
It appears on the official compatibility lists of 11 machines and series — 11 Asustor. This is a Enterprise-class drive: rated for heavier sustained workloads than desktop drives. It is a strong pick for a NAS running 24/7, large-array rebuilds or camera workloads, and enterprise lines are also the drives most widely listed across all five vendors' HCLs. No series-level recording rating is on file for this part number yet, so check CMR vs SMR on the exact model before buying for an array.
Compatible NAS models
Same-capacity alternatives
Other drives listed at 28 TB capacity, ranked by how many machines list them:
Quick answers
Is the ST28000NM003K - 3TE133 officially compatible with my NAS?
It appears on the official compatibility lists of 11 machines and series — 11 Asustor. Every machine page linked below shows the vendor's own list entry, refreshed daily.
Is the ST28000NM003K - 3TE133 a good NAS drive?
This is a Enterprise-class drive: rated for heavier sustained workloads than desktop drives. It is a strong pick for a NAS running 24/7, large-array rebuilds or camera workloads, and enterprise lines are also the drives most widely listed across all five vendors' HCLs. No series-level recording rating is on file for this part number yet, so check CMR vs SMR on the exact model before buying for an array.
Can I use the ST28000NM003K - 3TE133 for a 3-2-1 cold backup copy?
No series-level recording rating is on file for this part number yet — check the exact model for CMR vs SMR before buying it as a large cold copy (SMR is the one trait that makes a 16 TB+ backup copy painfully slow). The 3-2-1 guide and the backup tools encyclopedia cover what to schedule it with.
What are alternatives to the ST28000NM003K - 3TE133?
At the same capacity, the most widely listed alternatives are Seagate ST28000NT000 (90 machines), Seagate ST28000NM003K (88 machines), Seagate ST28000NT000 - 4AB103-500 (15 machines). The full ranked list is below.