Toshiba N300 Pro 18 TB
NAS HDD
Part number HDWG81JUZSVB · N300 Pro series · 3.5'' SATA HDD. If your machine is listed below, this drive is officially supported — not a forum workaround.
Part of the Toshiba N300 Pro series →
Check HDWG81JUZSVB price on Amazon partner link
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 14 machines and series — 14 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 18 TB capacity, ranked by how many machines list them:
Quick answers
Is the HDWG81JUZSVB officially compatible with my NAS?
It appears on the official compatibility lists of 14 machines and series — 14 Asustor. Every machine page linked below shows the vendor's own list entry, refreshed daily.
Is the HDWG81JUZSVB 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 HDWG81JUZSVB 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 HDWG81JUZSVB?
At the same capacity, the most widely listed alternatives are Seagate ST18000NM000J (211 machines), Seagate ST18000NE000-2YY101 (194 machines), Seagate ST18000NT001-3LU101 (192 machines). The full ranked list is below.