Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
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Epoch
4TB 7200 RPM SAS 12Gb/s 3.5" drive kit validated for Dell PowerEdge 12, 13, 14 generation and Tower servers
This Epoch kit supplies a 4TB 7200 RPM SAS 12Gb/s 3.5" hard drive built for Dell PowerEdge and Tower servers. The drive is new and ships in retail or OEM packaging that may vary. It is intended for administrators who need a direct replacement for compatible enterprise systems.
The replacement kit is validated for PowerEdge 12 generation models including R220 R320 R420 R420xr R520 R620 R720 R720xd R820 R920 and Tower 12 generation T20 T320 T420 T620. It also covers PowerEdge 13 generation R230 R330 R430 R530 R530xd R630 R730 R730xd R830 R930 and Tower 14 generation T40 T140 T340 T440. Buyers whose servers are not on this compatibility list should look elsewhere.
The single specification that determines whether this is the correct part is the SAS 12Gb/s interface. Only systems with a SAS 12Gb/s backplane or controller that accepts 3.5" 7.2K drives can use this kit. Verify the server model against the supported list before ordering.
| Interface | SAS 12Gb/s |
|---|---|
| Capacity | 4TB |
| RPM | 7200 RPM |
| Usage | Ideal for Servers |
| Form Factor | 3.5" |
The drive uses a standard SAS 12Gb/s interface compatible with Dell PowerEdge 12, 13 and 14 Generation servers listed; no proprietary firmware is mentioned, so the drive itself should not need updates, though the server controller may receive independent vendor patches.
The 7200 RPM spindle speed and SAS 12Gb/s link set the sustained throughput ceiling; in a multi-drive array the backplane bandwidth or controller queue depth typically saturates before the single drive’s mechanical limit.
As a 7200 RPM 3.5" enterprise drive it produces typical mechanical noise and heat for its class; the server’s existing fan curves and airflow design for the listed 12th-14th Generation chassis manage thermals without extra hardware.
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