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Silver rectangular 2.5 inch laptop hard drive with circuit board visible

DELL

DELL 400-ATKB 2TB 7200 RPM SATA 6.0Gb/s 2.5" laptop hard drive

SKU CH-ZJCJ-2ZXH4

2.5-inch laptop hard drive with 2TB capacity and 7200 RPM spindle speed over a SATA 6.0Gb/s interface

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Rotational speed7,200 RPM
  • Key featuresOffers up to 2 TB storage capacity Equipped with SATA interf
  • 2TB capacity stores large media libraries and backups
  • SATA 6.0Gb/s interface delivers high data transfer rate
  • 7200 RPM spindle speed ensures excellent performance
  • 5" form factor fits standard laptop drive bays
  • New condition from manufacturer listed July 29, 2024

Purpose & audience

The Dell 400-ATKB is a 2TB laptop internal hard drive built for notebooks that accept a 2.5" SATA device. It suits users who need large local storage for documents, media or backups without moving to solid-state media.

Build integration

The drive connects through a standard SATA 6.0Gb/s interface and fits the 2.5" bay found in many laptops. It requires no additional controller or cabling beyond the host SATA port and power connection.

Capacity & headroom

With 2TB of space and a 7200 RPM spindle, the drive handles multi-gigabyte files and sustained sequential workloads comfortably. Random-access latency inherent to mechanical media remains the limiting factor for heavy multi-tasking or boot workloads.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $141.99
Pricier than about 76% of the 645 comparable items (median $66.99).
Total capacity 2 TB
Higher than about 90% of the 419 comparable items (median 320 GB).
Price per TB $71.00 per TB
Cheaper than about 88% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameDell
Model name400-ATKB
Total capacity2 TB
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Does the 7200 RPM spindle speed cause the drive to hit a thermal limit during sustained use?

The 7200 RPM spindle speed ensures excellent performance, and the SATA 6.0Gb/s interface delivers high data transfer rates without a stated thermal throttle limit.

How much noise and heat does the 7200 RPM mechanism produce when running all day?

The 2.5" form factor and 7200 RPM design are built for notebook use; no acoustic or thermal output figures are published.

Will the SATA 6.0Gb/s interface work with my laptop's existing drive bay and controller?

The drive uses a standard 2.5" SATA 6.0Gb/s connection, compatible with any notebook bay and controller that supports SATA.

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