Seagate 9N7007-024 300GB FC 15K Cheetah HDD: Specs and Compatibility

Fibre Channel disk shelves are not something anyone builds today. Yet a substantial number are still running in production, holding data that has not needed to move, in organisations for whom a storage migration is a project with cost and risk attached.

The Seagate Cheetah 9N7007-024 is a 300GB Fibre Channel 4Gb 15K 3.5-inch drive for exactly those systems. It is a legacy part, and that is the whole point of it.

Cheetah: what the family name tells you

Seagate’s enterprise families have changed over the years and the names carry real meaning.

Cheetah was the 15,000 RPM performance line — the fastest mechanical storage available for well over a decade, and the standard for transactional workloads before flash became affordable. Capacities were small because platter density at that spindle speed was limited, and heat and power draw were both high. None of that mattered against the latency advantage.

Constellation was the nearline capacity line that followed, and Exos is the current enterprise and nearline family.

If a system was specified around Cheetah drives, it was specified around 15K latency. Replacing a failed one with a slower drive is not a like-for-like swap, and in an array it degrades the whole RAID group to the slowest member.

9N7007-024 specifications

Fibre Channel is an interface, not a protocol detail

FC drives are not SAS drives with a different connector. The interface is electrically and logically distinct, using an arbitrated loop or fabric topology rather than the point-to-point connections SAS uses.

Practically that means three things. FC drives only work in FC shelves — there is no adapter, no bridging, no compatibility with a SAS backplane. The 4Gb figure is the loop speed, and shelves specified at 2Gb or 4Gb are not always interchangeable. And the drives carry their own physical connector format that will not seat anywhere else.

None of this is a problem if you are replacing a failed drive in an existing shelf, which is what these drives are almost exclusively bought for. It matters enormously if someone is trying to source parts by capacity and speed without checking the interface.

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9N7007-024 – Seagate Cheetah 300GB FC 4Gb 15K 3.5in LFF HDD

SKU: 9N7007-024  |  Refurbished & function-tested  |  30-day warranty

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Managing a platform with a finite parts supply

Seagate stopped manufacturing Fibre Channel drives long ago. Every unit still in circulation came out of a system somewhere, and the available population only decreases. That has two consequences worth planning around.

Count your exposure. Work out how many drives of this part number are in service across your shelves, and how many spares you hold. A production array running with zero spares of a discontinued part carries far more risk than most IT plans acknowledge, because the recovery path depends on market availability rather than on a supplier commitment.

Set a migration horizon deliberately. Parts availability puts a practical end date on any FC platform. Planning a migration while spares are still obtainable is a considerably better position than being forced into one by a failure you cannot fix. That does not mean migrating now — it means knowing roughly when, rather than discovering it.

In the meantime, holding one or two spares per shelf is cheap insurance against a very expensive scenario.

FC drives and shelf coding

One further point that catches people. Some storage vendors ship Fibre Channel drives with vendor-specific firmware or formatting, and those drives are not interchangeable with generic Seagate FC units even at identical capacity and speed.

NetApp is the clearest example: its disks are formatted with non-standard sector sizes, so a standard FC drive is rejected outright. If your shelf is NetApp, you need NetApp-coded drives rather than these.

For generic FC shelves and arrays that accept standard Seagate firmware, this is the correct part. If you are not certain which category your shelf falls into, send us the shelf model and we will confirm before you order.

Ordering

We supply the 9N7007-024 refurbished and function-tested with a 30-day warranty. Given the finite supply on Fibre Channel parts, tell us how many drives of this type you run and we can advise on a sensible spares holding. Browse the full Seagate range or our complete enterprise hard drives catalogue.

Common questions

Send us your shelf model and drive count and we will confirm compatibility and advise on spares before quoting.