Key takeaways
- 2,460 listings match this collection right now.
- 15K is now essentially a legacy-support class: new deployments needing that latency profile use SSDs instead, and 15K drives are bought mainly to replace a failed array member.
- 600GB is close to the practical capacity ceiling for 15K drives, since packing more or larger platters onto a spindle turning that fast runs into limits lower RPM classes avoid.
- A replacement 15K drive has to match not just the interface but the SAS generation, since an older drive's link rate and connector can differ from a newer one.
15K RPM is the fastest mechanical drive class, used where an array needs the lowest rotational latency short of flash. Capacities are small by modern standards, and a replacement has to match the interface and generation already in the array.
2,460 listings in this collection, filtered from Server Hard Drives. The part number and manufacturer are stated on every listing, and the condition wherever the catalogue records one. For quantity, request a volume quote.
How to choose server hard drives
Match the interface and link rate the controller or backplane presents, the bay width (2.5-inch or 3.5-inch), and the rotational class already in the array: 10K and 15K drives for latency-sensitive duty, 7200 RPM nearline drives for capacity. Replacing an array member also means matching capacity and sector format, or the controller can reject the drive.
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