Western Digital Ultrastar DC HC555 14TB
Enterprise HDD
Part number 0B47743 (WUH722014CL5204) · Ultrastar DC HC555 series · SAS 12Gb/s. If your machine is listed below, this drive is officially supported — not a forum workaround.
Part of the Western Digital Ultrastar DC HC555 series →
Check 0B47743 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 2 machines and series — 2 QNAP. 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 14 TB capacity, ranked by how many machines list them:
Quick answers
Is the 0B47743 (WUH722014CL5204) officially compatible with my NAS?
It appears on the official compatibility lists of 2 machines and series — 2 QNAP. Every machine page linked below shows the vendor's own list entry, refreshed daily.
Is the 0B47743 (WUH722014CL5204) 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 0B47743 (WUH722014CL5204) 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 0B47743 (WUH722014CL5204)?
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.