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Silver 3.5 inch SAS hard drive with circuit board visible

DELL

DELL 400-ALDU 6TB 3.5" SAS 12Gb/s 7200 RPM internal hard drive

SKU CH-BXBK-PWDPK

A 6 TB 3.5-inch internal hard drive with a SAS 12Gb/s interface and 7200 RPM spindle speed for Dell PowerEdge servers

  • Total capacity6 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • 6 TB capacity expands server storage
  • 7200 RPM spindle speeds up data access
  • SAS 12Gb/s interface enables fast transfers
  • 5" form factor fits standard drive bays
  • Compatible with Dell PowerEdge servers

Enterprise Storage Expansion

The Dell 400-ALDU is a 6TB 3.5-inch internal hard drive built for Dell PowerEdge servers. Its SAS 12Gb/s interface and 7200 RPM spindle speed deliver fast disk access for nearline workloads. The drive is supplied new and supports hot-swap installation in compatible bays.

Compatibility Verification Required

Confirm that your server accepts 3.5-inch SAS drives and provides a 12Gb/s backplane or controller. The supported model list includes PowerEdge M520 M620 R420 R430 R520 R530 R620 R630 R720 R720XD R920 T420 T430. Check the drive tray and caddy type before ordering.

Sustained Workload Behaviour

The 7200 RPM rotation maintains consistent throughput during extended read and write sequences typical of nearline storage. SAS signalling supports dual-port operation for path redundancy under continuous load. Hot-swap capability allows replacement without powering down the array.

How it compares

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

Price $166.99
Pricier than about 63% of the 4,938 comparable items (median $107.99).
Total capacity 6 TB
Higher than about 75% of the 2,372 comparable items (median 2 TB).
Price per TB $27.83 per TB
Cheaper than about 85% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name400-ALDU
Total capacity6 TB
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Does the 400-ALDU arrive with a mounting tray or cables, or do I need to source them separately?

The drive ships in retail or OEM packaging that may vary; no tray or cables are included, so a 3.5" SAS carrier and data cable must be obtained separately for installation.

Should I select the 6 TB 3.5" model or the 2 TB 2.5" alternative for my server?

Choose the 6 TB 3.5" unit when maximum capacity per bay is required in PowerEdge R620, R720 or T430 chassis; pick the 2 TB 2.5" version only if the bay size or power budget demands the smaller form factor.

What does the 12Gb/s SAS rating mean for actual throughput in a PowerEdge R630?

The 12Gb/s interface supports the full 7200 RPM spindle speed, so sustained reads and writes run at the drive's native sequential rate without interface bottleneck.

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