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Silver 3.5 inch SAS hard drive with green circuit board visible underneath

DELL

DELL 400-ATJM 1.2TB 3.5" 10000 RPM SAS internal hard drive

SKU CH-DV7N-J0SKJ

A 1.2 TB 3.5-inch SAS hard drive spinning at 10000 RPM for high-performance desktop storage

  • Total capacity1.2 TB
  • Interface typeSAS
  • Form factor3.5 in (8.89 cm)
  • Rotational speed10,000 RPM
  • High-speed data access with 10000 RPM performance
  • 2TB capacity stores large datasets efficiently
  • SAS interface enables reliable enterprise connectivity
  • 5-inch form factor fits standard desktop bays
  • 512n sector format ensures broad system compatibility

Dell 400-ATJM 1.2TB SAS drive

This Dell 400-ATJM is a 1.2TB 3.5" internal hard drive spinning at 10000 RPM. It uses a SAS interface and 512n sector formatting. The unit is supplied as a hybrid kit with part numbers X7K8W and Y004G included. Condition is new.

Suits servers and arrays needing 10K SAS storage

This drive suits administrators who need 10000 RPM performance and a SAS connection in a 3.5" bay. Buyers who need a different capacity or a different physical size should look elsewhere. The 512n format also requires a compatible controller.

10000 RPM SAS interface decides fit

The 10000 RPM SAS interface is the specification that determines whether this part fits the target system. A controller must support SAS signalling and the 512n sector size. Verify the host bus adapter and backplane compatibility before purchase.

How it compares

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

Price $65.99
Cheaper than about 66% 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 $54.99 per TB
Cheaper than about 57% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Total capacity1.2 TB
Performance
Rotational speed10,000 RPM
Ports & slots
Interface typeSAS
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What controller or backplane is required to connect this 1.2TB SAS drive?

A SAS host bus adapter or RAID controller with a compatible 3.5-inch backplane is needed to provide both data and power to the 400-ATJM.

Can this 10000 RPM SAS drive share a backplane with slower SAS drives?

Yes, the SAS interface allows mixed-speed devices on the same backplane, so the 10000 RPM unit will operate alongside other SAS drives.

How do I verify the 1.2TB capacity and 10000 RPM speed are recognised after installation?

Check the BIOS or RAID utility; it should list the drive as 1.2TB capacity and report 10000 RPM rotational speed.

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