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Silver 3.5 inch SAS hybrid hard drive with Dell label

DELL

DELL 400-ATJS 1.8TB 3.5" 12Gb/s SAS 10K RPM 512e hybrid internal hard drive

SKU CH-Y6WG-0T3A8

A 1.8 TB 3.5-inch SAS hybrid drive spinning at 10000 RPM with a 12 Gb/s interface

  • Total capacity1.8 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed10,000 RPM
  • 10,000 RPM spindle delivers fast data access
  • 12 Gb/s SAS interface enables high-throughput transfers
  • 8 TB capacity stores large enterprise datasets
  • 512e hybrid format boosts storage efficiency
  • 5-inch form factor fits standard server bays

Dell 400-ATJS 1.8TB SAS hybrid drive

The Dell 400-ATJS is a 1.8TB hybrid hard drive with a SAS 12Gb/s interface. It spins at 10000 RPM in a 3.5 inch form factor. The drive uses 512e sector formatting for broad compatibility. It is supplied new in retail or OEM packaging.

Suits servers needing high-speed SAS storage

This drive suits servers and storage arrays that require 12Gb/s SAS connectivity and 10000 RPM performance. The hybrid design helps accelerate frequent read workloads. It is not for systems that lack a SAS controller or backplane. It is not for laptops or small-form-factor builds that cannot accept a 3.5 inch drive.

The SAS 12Gb/s interface decides fit

The single specification that decides fit is the SAS 12Gb/s interface. Your host bus adapter, RAID controller or backplane must support 12Gb/s SAS to use this drive. Without a compatible SAS connection the drive will not function. Verify the interface 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 $99.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 1.8 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $55.55 per TB
Cheaper than about 56% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Total capacity1.8 TB
Performance
Rotational speed10,000 RPM
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How is the 3.5" SAS drive installed, and which step is often missed?

Mount the drive in a 3.5" bay, connect the SAS data cable to a 12Gb/s controller and attach the power connector; the step often missed is confirming the controller firmware recognises the 512e sector format before array creation.

What maintenance or replacement will the 10000 RPM hybrid drive need later?

The mechanical platters and flash cache have finite endurance; plan replacement when SMART reallocated sectors rise or when sustained write latency exceeds the service-level target.

What limit appears first on the 1.8TB SAS drive during sustained workloads?

The 12Gb/s SAS link and 10000 RPM spindle cap sustained throughput; the flash tier absorbs bursts, but continuous heavy writes saturate the mechanical media first.

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