HGST 4 TB
NAS HDD
Part number H3IKNAS40003272SA(0S03666) · 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 4 machines and series — 4 Asustor. This is a NAS-class drive: built for 24/7 operation with vibration compensation for multi-bay enclosures — the right tier for most 1-8 bay home or small-office NAS units. 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 4 TB capacity, ranked by how many machines list them:
Quick answers
Is the H3IKNAS40003272SA(0S03666) officially compatible with my NAS?
It appears on the official compatibility lists of 4 machines and series — 4 Asustor. Every machine page linked below shows the vendor's own list entry, refreshed daily.
Is the H3IKNAS40003272SA(0S03666) a good NAS drive?
This is a NAS-class drive: built for 24/7 operation with vibration compensation for multi-bay enclosures — the right tier for most 1-8 bay home or small-office NAS units. 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 H3IKNAS40003272SA(0S03666) 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 H3IKNAS40003272SA(0S03666)?
At the same capacity, the most widely listed alternatives are Toshiba MG04ACA400E (451 machines), Western Digital WD4003FFBX (390 machines), Seagate ST4000NE0015 (379 machines). The full ranked list is below.