Seagate Cheetah 15.K7 600GB
Enterprise HDD
Part number ST3600057SS · Cheetah 15.K7 series · 3.5" SAS HDD. If your machine is listed below, this drive is officially supported — not a forum workaround.
Check ST3600057SS 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 6 machines and series — 2 Synology, 4 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 600 GB capacity, ranked by how many machines list them:
Quick answers
Is the ST3600057SS officially compatible with my NAS?
It appears on the official compatibility lists of 6 machines and series — 2 Synology, 4 QNAP. Every machine page linked below shows the vendor's own list entry, refreshed daily.
Is the ST3600057SS 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 ST3600057SS 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 ST3600057SS?
At the same capacity, the most widely listed alternatives are Intel SSDSC2BB600G4 (104 machines), Western Digital WD6000HLHX (74 machines), Western Digital WD6000BLHX (66 machines). The full ranked list is below.