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Bare 3.5 inch SAS hard drive with exposed circuit board

DELL

DELL 400-ATKR 12 GB 3.5" 7200 RPM SAS internal hard drive

SKU CH-EM4T-GZB5E MPN 400-ATKR

12 GB 3.5-inch SAS internal hard drive spinning at 7200 RPM for Dell systems

  • Total capacity8 TB
  • Interface typeSAS 6Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Mean latency6Gb/s
  • 12 GB capacity for compact storage needs
  • 7200 RPM spindle speed for responsive data access
  • SAS 6Gb/s interface for reliable server connectivity
  • 5 inch form factor fits standard drive bays
  • Hot-pluggable design enables drive swaps without downtime

Dell 12 GB 3.5" SAS drive

This Dell 400-ATKR is a 3.5-inch internal hard drive with a 12 GB capacity and a 7200 RPM spindle speed. It uses a SAS interface and is supplied as a bare drive in OEM packaging. The unit is new and designed for hot-pluggable desktop installations.

Suits single-drive desktop upgrades

This drive suits users adding a single 12 GB SAS drive to a compatible desktop chassis with a free 3.5-inch bay and a SAS host adapter. Buyers who need more storage than 12 GB provides should look at larger capacity models. Systems without a SAS controller or an available 3.5-inch slot cannot use this drive.

SAS 6Gb/s interface

The drive connects via a SAS 6Gb/s interface, which is the specification that determines compatibility with the host controller. Verify that your desktop motherboard or add-in card supports this exact interface standard before purchase. The 7200 RPM speed and 3.5-inch form factor are fixed characteristics of this model.

How it compares

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

Price $490.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 8 TB
Higher than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $61.37 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-ATKR
Total capacity8 TB
Performance
Rotational speed7,200 RPM
Mean latency6Gb/s
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.68 kg
Package size302 × 201 × 94 mm

Questions about this item

Will the 12 GB cache on the 400-ATKR need replacement over time?

The 12 GB cache is built into the drive controller and is not a separate user-replaceable part; it lasts for the life of the drive.

What limit appears first when the 7200 RPM SAS drive runs continuously?

Sustained throughput is capped by the 12Gb/s SAS interface before the mechanical platters reach their maximum transfer rate.

How much heat and noise does the 3.5" 7200 RPM drive produce during all-day operation?

Typical enterprise 3.5" 7200 RPM drives run warm and emit audible seek noise; ensure your chassis provides adequate airflow for continuous duty.

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