Western Digital NAS 10TB
NAS HDD
Part number WD100EFAX · NAS series · SATA 6Gb/s (SATA III). If your machine is listed below, this drive is officially supported — not a forum workaround.
Part of the Western Digital NAS series →
Check WD100EFAX 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 219 machines and series — 164 QNAP, 7 Asustor, 48 TerraMaster. 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 10 TB capacity, ranked by how many machines list them:
Quick answers
Is the WD100EFAX officially compatible with my NAS?
It appears on the official compatibility lists of 219 machines and series — 164 QNAP, 7 Asustor, 48 TerraMaster. Every machine page linked below shows the vendor's own list entry, refreshed daily.
Is the WD100EFAX 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 WD100EFAX 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 WD100EFAX?
At the same capacity, the most widely listed alternatives are Seagate ST10000NM0086 (367 machines), Toshiba MN06ACA10T (343 machines), Toshiba HDWG11AXZSTA (326 machines). The full ranked list is below.