Western Digital Ultrastar C10K1800 450GB
Enterprise HDD
Part number HUC101845CS4204 - 0B31232 · Ultrastar C10K1800 series · 2.5" SAS 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 6 machines and series — 6 Synology. 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 450 GB capacity, ranked by how many machines list them:
Quick answers
Is the HUC101845CS4204 - 0B31232 officially compatible with my NAS?
It appears on the official compatibility lists of 6 machines and series — 6 Synology. Every machine page linked below shows the vendor's own list entry, refreshed daily.
Is the HUC101845CS4204 - 0B31232 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 HUC101845CS4204 - 0B31232 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 HUC101845CS4204 - 0B31232?
At the same capacity, the most widely listed alternatives are Western Digital WD4500HLHX (156 machines), Western Digital WD4500BLHX (66 machines), Toshiba AL13SXB45EE (8 machines). The full ranked list is below.