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Silver 3.5 inch SAS hard drive with hot-swap tray

DELL

DELL 400-ALQC 4TB 3.5" SAS 7200 RPM internal hard drive

SKU CH-96PD-5RPPM

4 TB 3.5" SAS hard drive spins at 7200 RPM with a 12 Gb/s transfer rate and hot-swap tray

  • PackagingBare Drive
  • InterfaceSAS 3Gb/s
  • Capacity4TB
  • RPM7200 RPM
  • Average Latency3Gb/s
  • Form Factor3.5"
  • 4TB capacity stores large datasets
  • 12Gb/s SAS interface enables fast data transfer
  • 7200 RPM spindle speed delivers responsive performance
  • 5-inch form factor fits standard drive bays
  • Hot-swap tray allows drive replacement without system shutdown

Dell 400-ALQC 4TB SAS hard drive

This 3.5-inch internal hard drive provides 4TB of storage on a SAS interface spinning at 7200 RPM. It is built for nearline workloads in Dell servers and storage arrays where hot-swap capability is required. The bare-drive packaging suits system integrators and IT departments replacing or expanding existing drive bays.

Upgrade from slower nearline SAS drives

The 12Gb/s transfer rate doubles the throughput of 6Gb/s nearline drives, cutting backup windows and speeding sequential reads for archival workloads. The jump is worth it when the controller and backplane both support 12Gb/s; on a 6Gb/s backplane the drive will negotiate down and the extra headroom goes unused.

Limits of 12Gb/s SAS interface

The interface tops out at 12Gb/s, so sustained throughput cannot exceed the electrical signalling limit regardless of spindle speed. Cable length, backplane design and controller firmware all introduce real-world overhead that reduces effective bandwidth below the nominal rate. Buyers needing higher random IOPS or lower latency should evaluate solid-state alternatives.

Points forts

  • 4TB capacity stores large datasets
  • 12Gb/s SAS interface enables fast data transfer
  • 7200 RPM spindle speed delivers responsive performance
  • 5-inch form factor fits standard drive bays
  • Hot-swap tray allows drive replacement without system shutdown

Caractéristiques

BrandDell
Model400-ALQC
PackagingBare Drive
InterfaceSAS 3Gb/s
Capacity4TB
RPM7200 RPM
Average Latency3Gb/s
Form Factor3.5"

Questions sur cet article

Will the 3.5" form factor fit my standard drive bay?

The 3.5" form factor matches standard internal drive bays; ensure your chassis accepts 3.5" SAS drives.

How do I install the hot-swap tray correctly?

Slide the drive into the hot-swap tray until the SAS connector seats firmly; the common mistake is stopping before the latch clicks.

When should I plan to replace the 4TB SAS drive?

Replace the drive if SMART reports reallocated sectors or if sustained throughput drops below expected 7200 RPM levels.

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