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Silver 2.5 inch SAS hard drive with tray, 1.2TB 10000 RPM

DELL

DELL HFJ8D 1.2TB 10000RPM SAS 2.5" internal hard drive

SKU CH-G12X-1ZXJ5

Stores 1.2 TB of data on a 10,000 RPM SAS drive in a 2.5-inch form factor with a 64 MB buffer

  • Total capacity1.2 TB
  • Interface typeSAS
  • Form factor2.5 in (6.35 cm)
  • Flash memory typeSLC
  • Rotational speed10,000 RPM
  • High-speed 10000 RPM spindle cuts latency for demanding workloads
  • SAS interface delivers reliable 6 Gbit/s connectivity to servers
  • 2 TB capacity stores large datasets in a single drive
  • 64 MB buffer smooths burst I/O for consistent throughput
  • 5-inch form factor fits dense PowerEdge and PowerVault bays

Enterprise Storage Drive

The DELL HFJ8D is a 1.2TB SAS hard drive spinning at 10000 RPM in a 2.5 inch form factor. It uses SLC NAND flash memory and includes a 64MB buffer. The unit ships with a tray for direct installation in compatible PowerEdge and PowerVault servers. It is built for environments that demand consistent enterprise-grade throughput.

Thermal and Power Profile

The 10000 RPM spindle speed produces measurable heat and acoustic output under sustained workloads. Power draw scales with the SAS interface activity and the mechanical operation of the platters. System integrators must provide adequate chassis airflow to maintain the drive within its specified operating temperature range. No active cooling components are included with the drive itself.

Included Tray and Compatibility

The supplied tray secures the 2.5 inch drive into 3.5 inch or proprietary server bays used by the target PowerEdge and PowerVault platforms. This mechanical adapter is required for proper alignment with the backplane connectors. The drive is not suitable for desktop PCs or laptops lacking SAS controllers and appropriate drive bays. Buyers without a compatible SAS host bus adapter or server chassis cannot use this product.

How it compares

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

Price $40.99
Cheaper than about 85% 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 $34.16 per TB
Cheaper than about 77% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Total capacity1.2 TB
Performance
Rotational speed10,000 RPM
Storage
Flash memory typeSLC
Ports & slots
Interface typeSAS
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

How do I install the 2.5" SAS drive into the server tray that comes with it?

Slide the drive into the supplied tray until the SAS connector seats firmly on the backplane; the tray then locks into the 2.5" bay with the release lever.

What part of this drive will need replacement after heavy write workloads?

The SLC NAND flash cells that back the 64 MB buffer have a finite program/erase cycle count and will eventually wear out.

At what point does sustained throughput hit a ceiling during long sequential transfers?

The 6 Gbit/s SAS link and 10000 RPM platters limit sustained transfer rates once the buffer is full.

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