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Silver 2.5 inch SAS enterprise hard drive bare unit

DELL

DELL 400-AJON 1.2TB 2.5" SAS 12Gb/s 10K internal hard drive

SKU CH-ZPN1-1K8GG

1.2 TB enterprise SAS drive with 10,000 RPM spindle speed and hot-plug capability for Dell PowerEdge servers

  • Total capacity1.2 TB
  • Interface typeSAS 12Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Mean latency12Gb/s
  • 2TB capacity stores large enterprise datasets
  • 10000 RPM spindle speed accelerates data access
  • SAS 12Gb/s interface delivers high-throughput connectivity
  • Hot-pluggable design enables drive replacement without downtime
  • 5-inch form factor fits dense server chassis

1.2 TB SAS enterprise drive

This 1.2 TB SAS hard drive spins at 10 000 RPM and uses a 12 Gb/s interface. It is built for Dell PowerEdge servers and PowerVault storage systems that require high-throughput internal storage. The 2.5 inch form factor fits compatible hot-plug drive bays in listed server models.

Hot-plug 2.5 inch SAS connector

The bare drive ships without a caddy and connects directly to a SAS backplane through the standard 12 Gb/s interface. Hot-plug support allows replacement without powering down the server, reducing maintenance downtime. The 2.5 inch dimensions match the drive bays in the specified PowerEdge and PowerVault chassis.

Verify server model and backplane

Check that your server appears in the compatibility list before ordering; only the listed PowerEdge and PowerVault models are confirmed to support this part. Ensure the chassis provides a 2.5 inch hot-plug SAS bay and that the backplane negotiates 12 Gb/s speeds. A mismatched bay or controller will prevent installation or limit performance.

How it compares

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

Price $74.99
Cheaper than about 61% 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 $62.49 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Brand nameDell
Model name400-AJON
Total capacity1.2 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed10,000 RPM
Mean latency12Gb/s
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

What practical throughput does the SAS 12Gb/s interface allow on this 10,000 RPM drive?

The SAS 12Gb/s interface caps at 12 Gbit/s, while the 10,000 RPM mechanism determines actual sustained transfer rates.

Which drive bay or caddy dimensions suit the 2.5" hot-plug form factor?

The 2.5" hot-plug chassis fits standard 2.5" SAS bays in the listed PowerEdge and PowerVault servers.

How is the hot-plug drive installed, and what step is often missed?

Slide the carrier into the bay until the latch clicks, ensuring the SAS connector seats fully before locking the lever.

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