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A standard 3.5 inch silver hard drive with a green circuit board and SAS connector visible

DELL

DELL 55H49 3TB 7.2K SAS 3.5" Constellation ES.3 internal hard drive

SKU CH-DXB3-1F40N

A 3.5 inch SAS hard drive storing 3 TB at 7.2 K RPM for desktop systems

  • 3 TB capacity stores large datasets
  • 2 K RPM spindle delivers steady throughput
  • SAS 6 Gb/s interface connects directly to controllers
  • 5 inch form factor fits standard drive bays
  • Constellation ES.3 series built for enterprise workloads

DELL 55H49 3 TB SAS hard drive

The DELL 55H49 is a 3 TB internal hard drive with a SAS interface and a 3.5 inch form factor. It operates at 7.2 K RPM and is supplied in new condition. The drive is designed for desktop systems that accept SAS storage.

Suited for SAS desktop storage upgrades

This drive fits desktop workstations or servers that provide a SAS backplane and a 3.5 inch bay. It is not suitable for systems that only offer SATA ports or smaller drive bays. Buyers who need a SATA interface or a 2.5 inch form factor should look at other models.

3 TB capacity with 7.2 K SAS interface

The single specification that decides fit is the combination of 3 TB capacity and a SAS 6 Gb/s interface at 7.2 K RPM. If the host requires a different interface, capacity or spindle speed, this drive will not meet the requirement.

Helstu kostir

  • 3 TB capacity stores large datasets
  • 2 K RPM spindle delivers steady throughput
  • SAS 6 Gb/s interface connects directly to controllers
  • 5 inch form factor fits standard drive bays
  • Constellation ES.3 series built for enterprise workloads

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Does the 55H49 drive ship with cables, brackets or a tray, or must I source them separately?

The drive is supplied in OEM or retail packaging that may vary; no cables, mounting brackets or drive trays are included, so you will need to provide a SAS data cable, a compatible power connector and a 3.5-inch bay or adapter.

Should I choose this 3 TB model or a different capacity for a Dell server that takes 3.5-inch SAS drives?

This specific unit is the 3 TB Constellation ES.3 variant; if your chassis or controller only qualifies certain part numbers, match the 55H49 code against the system’s supported-drive list before ordering a different capacity.

What does the 7.2K RPM rating mean for actual throughput in a RAID array?

The 7.2K spindle speed combined with the 6 Gb/s SAS interface delivers sustained sequential transfers typical of nearline enterprise drives, suitable for bulk storage and backup workloads rather than high-IOPS transactional databases.

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