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A standard 3.5 inch SAS hard drive in a silver metal casing

DELL

DELL 55H49 ST3000NM0023 3TB 7.2K 6Gb/s LFF 3.5" SAS internal hard drive

SKU CH-S8RG-8JF20

Stores 3 TB on a 7.2 K RPM SAS drive built for large-form-factor desktop bays

  • 3 TB capacity stores large data sets
  • 2K RPM spindle delivers steady throughput
  • SAS 6 Gb/s interface connects to enterprise controllers
  • 5-inch LFF form factor fits standard server bays
  • New condition ensures full manufacturer reliability

Capacity and interface

The Dell 55H49 is a 3.5 inch internal hard drive with a 3TB capacity and a SAS 6Gb/s interface. It operates at a 7.2K rotational speed for consistent data throughput. This drive is intended for desktop systems or servers that require a SAS connection and a large-form-factor bay.

Upgrade path

The drive replaces an existing SAS hard drive of lower capacity or slower spindle speed in a compatible LFF bay. The jump is worth it when the current storage limit prevents further data growth or when a faster 7.2K drive improves access times for sequential workloads. Systems already using SAS backplanes integrate the drive without controller changes.

SAS practical limits

The SAS 6Gb/s link caps the maximum theoretical transfer rate at the interface level. Real-world sustained throughput is lower and depends on the mechanical 7.2K platters and the host controller implementation. The large 3.5 inch form factor requires a dedicated LFF bay and will not fit in 2.5 inch or small-form-factor chassis.

How it compares

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

Price $56.99
Cheaper than about 72% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the 3.5" LFF SAS drive fit a standard 3.5-inch drive bay?

Yes, the 3.5-inch large form factor matches standard 3.5-inch internal drive bays and uses the SAS interface for connection.

How is the drive installed and what step is often missed?

Slide the drive into the bay, secure it with screws, then attach both the SAS data cable and the power connector; the power connector is the step most often missed.

When will the 7.2K rpm mechanism need replacement?

Mechanical drives with 7.2K rpm spindle speeds typically show wear after several years of continuous use; monitor SMART data and replace if reallocated sectors or seek errors appear.

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