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A silver 3.5 inch SAS hard drive with a circuit board visible on the underside

DELL

DELL ST3000NM0023Product 3TB 3.5" SAS 7200 RPM internal hard drive

SKU CH-ZYKG-SFZFW MPN ST3000NM0023Product

A 3 TB, 3.5-inch internal hard drive with a SAS 6Gb/s interface spinning at 7200 RPM for Dell EMC PowerVault MD32XX and MD36XX storage systems

  • Total capacity3 TB
  • Interface typeSAS 6Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • 3 TB capacity stores large datasets
  • 7200 RPM spindle speed delivers responsive data access
  • SAS 6Gb/s interface enables reliable server connectivity
  • 5 inch form factor fits standard drive bays
  • Dell part 55H49 ensures compatibility with PowerVault MD32XX and MD36XX systems

Dell 3TB SAS Hard Drive

This Dell-branded 3.5-inch internal hard drive delivers 3TB of capacity over a SAS 6Gb/s interface spinning at 7200 RPM. It carries the original Dell part number 55H49 and is supplied new in retail or OEM packaging.

Suited for PowerVault storage arrays

The drive is qualified for Dell EMC PowerVault MD32XX and MD36XX systems where a 3TB 7.2K SAS spindle is required. Builders needing a different interface, a larger capacity or a non-Dell firmware should look elsewhere.

SAS 6Gb/s interface

The single specification that determines fit is the 6Gb/s SAS connection; the drive will only operate in backplanes and controllers that support this exact interface standard.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $67.99
Cheaper than about 65% of the 4,938 comparable items (median $107.99).
Total capacity 3 TB
Higher than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $22.66 per TB
Cheaper than about 91% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name55H49
Total capacity3 TB
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeSLC
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Does this 3.5" SAS drive fit a standard 3.5-inch internal bay?

Yes, the 3.5-inch form factor matches a standard 3.5-inch internal drive bay in compatible Dell EMC PowerVault MD32XX and MD36XX storage systems.

How is the SAS 6Gb/s interface connected during installation, and what step is often missed?

Connect the SAS data and power cables to the drive and the controller; the step often missed is confirming the backplane or controller port is configured for 6Gb/s SAS rather than a slower link speed.

When will this 7200 RPM mechanical drive typically need replacement?

As a mechanical hard drive with a 7200 RPM spindle, it will eventually require replacement when SMART attributes indicate wear or after the rated workload limit for the storage system is reached.

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