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Silver 2.5 inch SAS hard drive with hot-swap tray

DELL

DELL 400-AUXU 2.4TB 2.5" SAS 10K 12Gb/s internal hard drive

SKU CH-CAHF-WENX8

2.4 TB 2.5 inch SAS drive spins at 10 000 RPM with a 12 Gb/s interface for hot-swap server bays

  • Total capacity2 TB
  • Interface typeSAS 12Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Mean latency12Gb/s
  • 4 TB capacity stores large datasets on a single 2.5" drive
  • 10,000 RPM spindle delivers fast random access for transactional workloads
  • 12 Gb/s SAS interface provides high-throughput connectivity to compatible controllers
  • Hot-swap tray enables drive replacement without powering down the server
  • Dell original part 400-AUXU ensures validated compatibility with supported PowerEdge systems

Dell 400-AUXU 2.4TB SAS Drive

This Dell 400-AUXU is a 2.4TB internal hard drive built for servers and storage arrays that need 10000 RPM performance. It uses a SAS 12Gb/s interface in a 2.5 inch form factor. The drive is sold new as a bare unit without a tray. It suits administrators who need high-capacity, high-speed storage for demanding workloads.

Hot-Swap Capability and Bare Drive Packaging

The hot-swap tray type allows the drive to be inserted or removed while the system remains powered on, reducing downtime during maintenance or expansion. Because the packaging is bare drive only, no carrier or mounting hardware is included; the existing chassis tray must be reused or sourced separately. Retail or OEM packing may vary, so the physical contents can differ between shipments.

SAS 12Gb/s Interface Practical Limits

The SAS 12Gb/s interface provides a 12Gb/s transfer rate, but actual throughput depends on the host controller, backplane and cable quality in the deployment. Mechanical latency at 10000 RPM limits random access performance compared with solid-state alternatives. The 2.5 inch form factor fits dense enclosures, yet the bare drive requires a compatible hot-swap bay for installation. Buyers needing a self-contained tray or a different interface will not be served by this unit.

How it compares

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

Price $254.99
Pricier than about 77% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $127.50 per TB
Pricier than about 69% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name400-AUXU
Total capacity2 TB
Performance
Rotational speed10,000 RPM
Mean latency12Gb/s
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Does the 10000 RPM 2.5" SAS drive need any periodic maintenance or bearing replacement?

The 2.4TB 10000 RPM SAS drive is a sealed unit with no user-serviceable parts; no scheduled maintenance or bearing replacement is required.

What limit appears first when the 12Gb/s SAS drive runs sustained workloads?

The 10000 RPM spindle speed and 12Gb/s SAS interface set the sustained throughput ceiling for the 2.4TB drive.

How much noise, heat and power does the 2.4TB 10K SAS drive produce when running all day?

The 2.5" 10000 RPM SAS drive generates typical enterprise 10K noise and heat levels while drawing standard 12Gb/s SAS power.

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