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Silver 3.5 inch internal hard drive with SAS connector

DELL

DELL 400-ALOB 2TB 3.5" 7200 RPM SAS 12Gb/s internal hard drive

SKU CH-DEP8-3CDJB MPN 400-ALOB

A 2 TB internal hard drive with 7200 RPM spindle speed and 12 Gb/s SAS interface for enterprise storage

  • Total capacity2 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • 2 TB capacity expands enterprise storage
  • 7200 RPM spindle speed enables fast disk access
  • SAS 12Gb/s interface delivers enhanced data transfer
  • 5 inch form factor fits standard drive bays
  • Hot-pluggable design allows drive replacement without downtime

Dell 2TB Near-Line SAS Hard Drive

The Dell 400-ALOB is a 2TB 3.5-inch internal hard drive built for enterprise storage arrays. It spins at 7200 RPM and connects through a 12Gb/s SAS interface with hot-plug support.

Suited for capacity expansion in Dell PowerEdge

This drive fits administrators who need near-line SAS reliability for bulk data, backups or archiving in compatible 3.5-inch hot-plug bays. It is not for workloads that demand solid-state latency or for platforms that lack a 12Gb/s SAS backplane.

12Gb/s SAS interface decides compatibility

The drive requires a controller or backplane that supports 12Gb/s Near-Line SAS signalling. Without that link the drive will not operate, so verify the host hardware 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 $325.99
Pricier than about 84% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $163.00 per TB
Pricier than about 74% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDELL ENTERPRISE ACCESSORIES
Model name400-ALOB
Total capacity2 TB
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeSLC
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight1.36 kg
Package size306 × 202 × 90 mm

Questions about this item

How do I install this 3.5" hot-plug SAS drive in a Dell server bay?

Slide the 3.5" carrier into an empty hot-plug bay until the latch clicks; the SAS 12Gb/s connector mates automatically — no cables to route.

What maintenance or replacement will this 7200 RPM near-line SAS drive need later?

Plan to replace the drive after its rated service life; no user-serviceable parts exist inside the sealed helium enclosure.

What limit appears first when this 2TB NL-SAS drive runs sustained write workloads?

The 7200 RPM spindle caps sustained throughput at the SAS 12Gb/s interface ceiling during long sequential writes.

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