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Silver 3.5 inch internal hard drive with SAS connector and Dell label

DELL

DELL HUH721212AL5200Product 12TB 3.5" 7200 RPM SAS internal hard drive

SKU CH-2X7Z-K5C4V MPN HUH721212AL5200Product

12 TB 3.5-inch internal hard drive with SAS 12Gb/s interface and 7200 RPM spindle speed for Dell EMC PowerVault ME4 storage systems

  • Total capacity12 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • 12 TB capacity for large-scale data storage
  • 7200 RPM spindle speed for responsive read performance
  • SAS 12Gb/s interface for fast host connectivity
  • 5-inch form factor fits standard drive bays
  • New condition ensures full manufacturer specification

12 TB SAS Nearline Drive

This 12 TB 3.5 inch internal hard drive uses a SAS 12 Gb/s interface and spins at 7200 RPM. It is built for Dell EMC PowerVault ME4 series storage systems. The drive suits administrators who need high-capacity nearline storage in a compatible Dell enclosure.

SAS 12 Gb/s Interface Limits

The SAS 12 Gb/s link sets the maximum bus throughput for this drive. Real-world sustained transfer rates will be lower and depend on the controller, cable length and system workload. The 7200 RPM spindle speed defines the rotational latency ceiling for random access patterns.

Bare Drive Build and Connector Implications

The unit ships as a bare drive without a carrier or mounting rails. Installation requires a 3.5 inch drive bay and a compatible SAS backplane or cabling. The standard SAS connector handles both data and power, so no separate power lead is needed.Buyers who want a hot-plug carrier or a different form factor must source those separately.

How it compares

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

Price $388.99
Pricier than about 89% of the 4,938 comparable items (median $107.99).
Total capacity 12 TB
Higher than about 90% of the 2,372 comparable items (median 2 TB).
Price per TB $32.42 per TB
Cheaper than about 79% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name9HXK6
Total capacity12 TB
Performance
Rotational speed7,200 RPM
Mean latency12Gb/s
Storage
Flash memory typeSLC
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Should I pick the 12TB version or a smaller capacity for my storage array?

The 12TB model provides the highest single-drive capacity in this series, reducing the number of bays needed for large datasets.

What does the 7200 RPM spindle speed deliver in a live server?

A 7200 RPM spindle yields consistent throughput for sequential workloads such as backup, archive and video surveillance recording.

How does the SAS 12Gb/s interface limit real-world transfer rates?

The SAS 12Gb/s link caps burst transfers at 12Gb/s, while sustained speeds are governed by the 7200 RPM mechanical performance.

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