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Silver 2.5 inch SAS hard drive with green circuit board

DELL

DELL 89D42 1.2TB 10K 12G 2.5" SAS internal hard drive w/G176J

SKU CH-WM5B-DQ4MS

A 2.5 inch SAS internal hard drive with 1.2TB capacity, 10000 RPM spindle speed and 12 Gbps transfer rate, supporting hot-swap installation

  • Total capacity1.2 TB
  • Interface typeSAS
  • Form factor2.5 in (6.35 cm)
  • 2 TB capacity stores large datasets
  • 10 000 RPM spindle speed accelerates data access
  • 12 Gbps SAS interface delivers high throughput
  • 5 inch form factor fits dense server bays
  • Hot-swap support enables drive replacement without downtime

Dell 89D42 1.2TB SAS drive

The Dell 89D42 is a 1.2TB internal hard drive with a 12 Gbps SAS interface and a 10,000 RPM spindle speed. Its 2.5-inch form factor supports hot-swap installation in compatible drive bays. The drive is supplied in new condition and includes the G176J carrier. It is designed for enterprise storage arrays and server deployments requiring consistent rotational performance.

Suited for SAS arrays needing 10K speed

This drive fits administrators expanding or repairing 12 Gbps SAS infrastructure where 1.2TB capacity and 10K RPM throughput match the workload. Buyers whose systems only provide SATA backplanes cannot use this SAS device. Environments that require solid-state latency or capacities beyond 1.2TB per bay will need a different storage class.

12 Gbps SAS interface decides compatibility

The controller or backplane must support 12 Gbps SAS signalling for the drive to operate at its rated external transfer rate. A 6 Gbps-only SAS or SATA connection will not deliver the specified performance. Verify the host bus adapter and backplane generation before purchase to ensure the interface matches.

How it compares

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

Price $92.99
Cheaper than about 55% of the 4,938 comparable items (median $107.99).
Total capacity 1.2 TB
Lower than about 58% of the 2,372 comparable items (median 2 TB).
Price per TB $77.49 per TB
Pricier than about 56% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name89D42
Total capacity1.2 TB
Ports & slots
Interface typeSAS
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Will the 12 Gbps SAS interface on this 1.2 TB drive work with my existing 6 Gbps SAS backplane?

Yes, the 12 Gbps SAS interface is backward compatible with 6 Gbps and 3 Gbps SAS controllers and backplanes, so the drive will operate at the speed your current hardware supports.

How can I verify the drive is running at its rated 10,000 RPM and 12 Gbps link speed after installation?

Check the drive's reported link speed and rotational speed in your RAID controller BIOS, HBA utility, or operating system disk management tools; they should show 12 Gbps and 10,000 RPM respectively.

Does the G176J tray ship with the drive, or do I need to buy a 2.5" SAS caddy separately?

The G176J tray is included with the drive, so no separate caddy is required for installation in a compatible 2.5" hot-swap bay.

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