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2.5 inch SAS hard drive in hot swap tray

DELL

DELL 400-ALUN 1TB 2.5" SAS 7.2K 12Gb/s Hot Swap internal hard drive

SKU CH-NCZP-YQYZT

A 1 TB 2.5" SAS hard drive spinning at 7200 RPM with 12 Gb/s transfer and hot-swap capability

  • Total capacity1 TB
  • Interface typeSAS
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Mean latency12Gb/s
  • 1TB capacity stores large datasets
  • 5 inch form factor fits compact bays
  • SAS interface provides 12Gb/s throughput
  • 7200 RPM spindle delivers 7.2K performance
  • Hot swap tray enables drive changes without downtime

Dell 1TB 2.5" SAS Hot-Swap Drive

This new Dell 400-ALUN is a 1TB 2.5-inch hard drive with a 12Gb/s SAS interface and 7200 RPM spindle speed. It arrives as a bare drive ready for hot-swap installation in compatible bays. The 7.2K rotation rate balances capacity and throughput for general-purpose storage arrays.

Suited to SAS arrays needing hot-swap 1TB capacity

IT teams expanding Dell PowerEdge or equal SAS storage shelves can add this drive without powering down the chassis. Buyers whose servers only accept 3.5-inch carriers, or who need a 15K spindle for transaction-heavy workloads, should look at a different form factor or speed class.

Interface is 12Gb/s SAS

The drive communicates over a 12Gb/s SAS link, so the backplane and controller must support that signalling rate. A 6Gb/s-only SAS backplane will not recognise the drive, making host-interface confirmation essential 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 $208.99
Pricier than about 70% of the 4,938 comparable items (median $107.99).
Total capacity 1 TB
Lower than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $208.99 per TB
Pricier than about 80% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name400-ALUN
Total capacity1 TB
Performance
Rotational speed7,200 RPM
Mean latency12Gb/s
Ports & slots
Interface typeSAS
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Does the 2.5" SAS drive fit a standard 2.5" hot-swap bay?

Yes, the 2.5" form factor matches a standard 2.5" hot-swap drive bay. The SAS interface connects directly to the backplane.

What is the correct way to install the hot-swap drive, and which step is often missed?

Slide the drive into the bay until the SAS connector seats firmly on the backplane, then engage the release lever to lock it. The step often missed is fully latching the lever so the drive cannot vibrate loose.

When should the 1TB 7200 RPM SAS drive be replaced in a server running continuous workloads?

Replace the drive when SMART attributes show reallocated sectors, seek errors or excessive spin-up retries, or after the manufacturer-rated service life for 7200 RPM SAS drives is reached.

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