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Standard 3.5-inch enterprise hard drive with silver metal casing and circuit board visible

DELL

DELL 00JHTD 12TB SAS 12Gb/s 7200 RPM 3.5in internal hard drive

SKU CH-B86A-T2GMC

A 12TB 3.5-inch enterprise SAS drive spinning at 7200 RPM with 256MB cache for PowerEdge servers

  • Total capacity12 TB
  • Interface typeSAS 12Gb/s
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • 12TB capacity supports large-scale enterprise storage
  • 7200 RPM spindle speed delivers consistent server performance
  • SAS 12Gb/s interface provides high-reliability data throughput
  • 512e sector format ensures compatibility with modern systems
  • 256MB cache optimizes performance for 24x7 workloads

Dell 12TB SAS enterprise drive

This 12TB 3.5-inch hard drive uses a SAS 12Gb/s interface and spins at 7200 RPM with a 256MB cache. It is built for Dell PowerEdge servers that need high-capacity storage for continuous workloads. The 512e sector format keeps it compatible with modern storage arrays.

Thermals and power in 24x7 operation

Engineered for non-stop enterprise duty the drive manages heat and power draw within standard server chassis limits. The SAS interface supports efficient command queuing which helps sustain throughput without excessive power spikes. No special cooling beyond normal server airflow is required.

What the 512e format changes

The 512e sector layout lets the drive work with current operating systems and RAID controllers without firmware translation layers. This simplifies deployment in existing PowerEdge platforms and avoids alignment issues in backup or archival volumes. No extra software or driver bundles are included.

How it compares

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

Price $263.99
Pricier than about 79% 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 $22.00 per TB
Cheaper than about 91% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Product lineGeneration 13
Model name00JHTD
Total capacity12 TB
Performance
Rotational speed7,200 RPM
Storage
Cache memory256 MB
Ports & slots
Interface typeSAS 12Gb/s

Questions about this item

How do I install this 3.5in SAS 12Gb/s drive in a Dell PowerEdge server, and what step is often missed?

Slide the 3.5in carrier into a hot-swap bay until the SAS 12Gb/s connector seats firmly; the step often missed is securing the carrier latch so the 7200 RPM drive cannot shift during 24x7 operation.

What maintenance or replacement will this 12TB 512e drive need later?

No scheduled maintenance is required; replacement is only needed if SMART attributes report reallocated sectors or if the 256MB cache controller flags a hardware fault during RAID rebuilds.

What limit appears first when this 7200 RPM SAS drive runs sustained writes?

The 7200 RPM spindle speed caps sequential throughput before the SAS 12Gb/s bus saturates, so sustained write performance levels off at the mechanical transfer rate.

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