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Silver 3.5 inch SATA hard drive with green circuit board visible

DELL

DELL ST1000NM0033 Constellation ES.3 1TB 7200RPM 128MB 3.5" SATA internal hard drive

SKU CH-DV95-1W5JK

A 1 TB 7200 RPM 3.5" SATA desktop drive with a 128 MB cache for PowerEdge C6100, C6200 and C6220 servers

  • 1 TB capacity stores large datasets
  • 7200 RPM speed delivers responsive performance
  • 128 MB cache accelerates frequent data access
  • SATA 6 Gb/s interface enables fast transfers
  • Compatible with PowerEdge C6100 C6200 C6220 servers

Capacity and form factor

The DELL Constellation ES.3 ST1000NM0033 is a 3.5-inch internal hard drive with a 1000GB capacity. It spins at 7200RPM and provides a 128MB buffer for desktop or server workloads.

Upgrade path and use case

This drive replaces slower, lower-capacity SATA drives in compatible PowerEdge C6100, C6200 and C6220 servers. The jump is worth it when you need 7.2K RPM performance and enterprise-class reliability in a 3.5-inch bay.

SATA 6Gb/s interface limits

The SATA 6Gb/s interface caps sequential throughput well below modern SSD speeds. Random I/O latency remains characteristic of mechanical rotation, so the drive suits bulk storage rather than high-IOPS applications.

Highlights

  • 1 TB capacity stores large datasets
  • 7200 RPM speed delivers responsive performance
  • 128 MB cache accelerates frequent data access
  • SATA 6 Gb/s interface enables fast transfers
  • Compatible with PowerEdge C6100 C6200 C6220 servers

Specifications

No published specifications for this item yet.

Questions about this item

What drive bay size does the 3.5" SATA Constellation ES.3 need?

It fits a standard 3.5 inch internal bay in a desktop chassis or compatible PowerEdge server.

Which step is often missed when installing the ST1000NM0033 in a PowerEdge C6200, C6220 or C6100?

Securing the drive with the correct tray screws so the SATA connector aligns firmly with the backplane.

When should the 1 TB 7200 RPM drive be replaced in a RAID array?

Replace it if SMART reports reallocated sectors or if the array controller flags a predictive failure.

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