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Silver 3.5 inch SAS hard drive with black label and circuit board visible

DELL

DELL ST4000NM0023 4TB 7.2K SAS 3.5" 128MB internal hard drive

SKU CH-GJN9-CNV0X

A 4 TB 7200 RPM SAS hard drive with 128 MB cache in a 3.5 inch form factor

  • 4 TB capacity stores large datasets
  • 7200 RPM rotational speed delivers responsive throughput
  • SAS 6 Gb/s interface connects to compatible Dell servers
  • 128 MB cache buffers frequent read and write operations
  • Ships with Dell R-series caddy for direct installation

4 TB SAS enterprise drive

This 3.5 inch internal hard drive delivers four terabytes of storage on a 6 Gb per second SAS interface. It spins at 7200 RPM with a 128 MB cache and is validated for Dell PowerEdge T-series towers from the T20 through the T710.

Ships with R-series caddy

The included tray lets the drive slide directly into hot-swap bays on the listed PowerEdge models. No extra brackets or adapters are required for installation in those chassis.

3.5 inch SAS connector

The standard SAS edge connector and 3.5 inch form factor fit the drive cages in the compatible Dell servers. The drive weighs 2.0 pounds and carries a one-year warranty from the supplier.

Highlights

  • 4 TB capacity stores large datasets
  • 7200 RPM rotational speed delivers responsive throughput
  • SAS 6 Gb/s interface connects to compatible Dell servers
  • 128 MB cache buffers frequent read and write operations
  • Ships with Dell R-series caddy for direct installation

Specifications

No published specifications for this item yet.

Questions about this item

How often should I plan to replace the 4TB SAS drive in a Dell T620 server?

Enterprise drives like the Constellation ES.3 are rated for continuous operation; replace based on SMART warnings or after the rated workload limit rather than a fixed calendar interval.

Which limit appears first when the ST4000NM0023 runs at 7200RPM all day?

The 6Gb/s SAS interface bandwidth typically saturates before the 128MB cache or mechanical throughput becomes the bottleneck.

How much heat and noise does the 3.5" 4TB drive add to a Dell T630 chassis under constant load?

The 7200RPM mechanism draws modest power and produces typical enterprise-level acoustics; the server's built-in cooling handles the thermal output without extra fan speed.

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