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Silver 2.5 inch SAS hard drive with hot-swap tray

DELL

DELL 400-ALIG 1.2TB 2.5" SAS 10000 RPM 12Gb/s internal hard drive

SKU CH-XWWS-A88HJ

A 1.2 TB 2.5-inch SAS hard drive spinning at 10 000 RPM with a 12 Gb/s transfer rate and hot-swap tray

  • Total capacity1.2 TB
  • Interface typeSAS 3Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Mean latency3Gb/s
  • High-capacity 1.2TB storage for demanding workloads
  • Fast 10000 RPM spindle speed reduces data access latency
  • Reliable SAS 12Gb/s interface supports high-throughput server environments
  • Compact 2.5 inch form factor fits dense drive bays
  • Hot-swap tray design enables drive replacement without system downtime

Dell 400-ALIG 1.2TB SAS Drive

This Dell 400-ALIG is a 1.2TB internal hard drive built for servers and storage arrays that need fast mechanical storage. It uses a 2.5 inch form factor and spins at 10000 RPM for quick data access. The bare drive ships without a tray and is sold in new condition.

SAS 12Gb/s Interface Compatibility

The single specification that decides fit is the SAS interface running at 12Gb/s transfer rate. Your controller or backplane must support this exact interface speed to recognise the drive and achieve full throughput. A 3Gb/s or 6Gb/s only host will limit performance or prevent detection.

Sustained Load Behaviour

Under continuous workloads the 10000 RPM spindle maintains consistent throughput for sequential reads and writes. The mechanical design handles sustained I/O without the thermal throttling seen in solid-state alternatives. Hot-swap support allows replacement without powering down the enclosure.

How it compares

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

Price $74.99
Cheaper than about 61% of the 4,938 comparable items (median $107.99).
Total capacity 1.2 TB
Lower than about 58% of the 2,372 comparable items (median 2 TB).
Price per TB $62.49 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-ALIG
Total capacity1.2 TB
Performance
Rotational speed10,000 RPM
Mean latency3Gb/s
Ports & slots
Interface typeSAS 3Gb/s
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

What does the 10000 RPM spindle speed mean for latency inside a server?

A 10000 RPM spindle yields roughly 3 ms average rotational latency, so read requests spend less time waiting for the platter to arrive under the head.

What does the 12Gb/s SAS interface actually cap in practice?

The drive uses a SAS 12Gb/s link, so the bus ceiling is 12 Gb/s; sustained throughput will be lower and depends on the controller and backplane.

What physical space and mounting does the 2.5" hot-swap tray need?

The drive fits a standard 2.5-inch hot-swap bay and uses the tray's connector for power and data; no separate cables are required.

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