NAS Drive Compatibility

Western Digital Red 14TB

NAS HDD

Part number WD140EFFX - 68VBXN0 · Red series · 3.5" SATA HDD. If your machine is listed below, this drive is officially supported — not a forum workaround.

RedNAS HARD DRIVE3.5" SATA HDDWESTERN DIGITAL

Part of the Western Digital Red series →

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42
Compatible NAS models
42 Syn · 0 QNAP · 0 Asus · 0 TM
By vendor
14 TB
Listed capacity
Western Digital
Manufacturer
NAS (older line)
Product line (manufacturer rating)
5400
Spindle speed (RPM)
CMR/SMR
Recording
256 MB
Cache
180 TB
Rated workload / year

Specifications are the manufacturer's published ratings for this product series; verify the exact part number before purchase.

Strong pick as a cold copy

Recording for this series is mixed CMR/SMR — it varies by exact model number. Verify the exact part number before buying a cold copy: SMR drives throttle writes once their internal cache is full, which is exactly what a full-library backup pass does — a 16 TB cold-copy backup that takes days will slow to crawl on the last terabytes. For the off-site slot of a 3-2-1 plan, prefer the CMR variant of the same capacity; the 3-2-1 guide and the backup tools encyclopedia cover the rest of the chain.

Compatibility verdict

It appears on the official compatibility lists of 42 machines and series — 42 Synology. 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. Its series rating is on file as SMR (shingled) — the one trait that slows large RAID rebuilds and full-library copies.

Compatible NAS models

Synology DS1019+5-bay See its full HCL → Synology DS1181-bay See its full HCL → Synology DS119j1-bay See its full HCL → Synology DS120j1-bay See its full HCL → Synology DS15155-bay See its full HCL → Synology DS1515+5-bay See its full HCL → Synology DS15175-bay See its full HCL → Synology DS1517+5-bay See its full HCL → Synology DS1618+6-bay See its full HCL → Synology DS1621+6-bay See its full HCL → Synology DS1815+8-bay See its full HCL → Synology DS18178-bay See its full HCL → Synology DS1817+8-bay See its full HCL → Synology DS1819+8-bay See its full HCL → Synology DS2142-bay See its full HCL → Synology DS214+2-bay See its full HCL → Synology DS214play2-bay See its full HCL → Synology DS215+2-bay See its full HCL → Synology DS2162-bay See its full HCL → Synology DS216+2-bay See its full HCL → Synology DS216+II2-bay See its full HCL → Synology DS2182-bay See its full HCL → Synology DS218+2-bay See its full HCL → Synology DS218j2-bay See its full HCL → Synology DS218play2-bay See its full HCL → Synology DS220j2-bay See its full HCL → Synology DS415+4-bay See its full HCL → Synology DS415play4-bay See its full HCL → Synology DS4164-bay See its full HCL → Synology DS416play4-bay See its full HCL → Synology DS4184-bay See its full HCL → Synology DS418j4-bay See its full HCL → Synology DS418play4-bay See its full HCL → Synology DS420j4-bay See its full HCL → Synology DS7157-bay See its full HCL → Synology DS716+7-bay See its full HCL → Synology DS716+II7-bay See its full HCL → Synology DS718+7-bay See its full HCL → Synology DS916+4-bay See its full HCL → Synology DS918+4-bay See its full HCL → Synology DVA3219 See its full HCL → Synology DVA3221 See its full HCL →

Same-capacity alternatives

Other drives listed at 14 TB capacity, ranked by how many machines list them:

Western Digital WD141KFGX 355 machines · Red Pro Seagate ST14000NM001G 313 machines · EXOS x16 Seagate ST14000NE0008 296 machines · IronWolf Pro Toshiba MG07ACA14TE 295 machines · MG07ACA*** Seagate ST14000VE0008 287 machines · SkyHawkAI Seagate ST14000VN0008 274 machines · IronWolf Toshiba MN07ACA14T 268 machines · MN07ACA*** Toshiba HDWG21EYZSTA 250 machines · N300

Quick answers

Is the WD140EFFX - 68VBXN0 officially compatible with my NAS?

It appears on the official compatibility lists of 42 machines and series — 42 Synology. Every machine page linked below shows the vendor's own list entry, refreshed daily.

Is the WD140EFFX - 68VBXN0 CMR or SMR?

As a Western Digital Red drive, it is rated CMR/SMR varies by model. CMR (conventional magnetic recording) is what a RAID array wants: SMR drives slow rebuilds dramatically. This series mixes both, so verify the exact part number before buying — the <a href="/faq/cmr-vs-smr-nas-drives/">CMR vs SMR guide</a> has a part-number lookup.

Is the WD140EFFX - 68VBXN0 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. Its series rating is on file as SMR (shingled) — the one trait that slows large RAID rebuilds and full-library copies.

Can I use the WD140EFFX - 68VBXN0 for a 3-2-1 cold backup copy?

Recording for this series is mixed CMR/SMR — it varies by exact model number. Verify the exact part number before buying a cold copy: SMR drives throttle writes once their internal cache is full, which is exactly what a full-library backup pass does — a 16 TB cold-copy backup that takes days will slow to crawl on the last terabytes. For the off-site slot of a 3-2-1 plan, prefer the CMR variant of the same capacity; the 3-2-1 guide and the backup tools encyclopedia cover the rest of the chain.

What are alternatives to the WD140EFFX - 68VBXN0?

At the same capacity, the most widely listed alternatives are Western Digital WD141KFGX (355 machines), Seagate ST14000NM001G (313 machines), Seagate ST14000NE0008 (296 machines). The full ranked list is below.