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Silver 3.5 inch internal hard drive with SATA connectors

DELL

DELL 400-ATKN 4 TB 3.5" SATA 7200 rpm internal hard drive

SKU CH-BEYC-81T7C

A 4 TB 3.5-inch internal hard drive with a 7200 rpm spindle speed and SATA 6.0 Gb/s interface, hot-pluggable for desktop storage expansion

  • Total capacity4 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • 4 TB capacity stores large media libraries and backups
  • 7200 rpm spindle speed delivers responsive read and write performance
  • SATA 6.0 Gb/s interface provides high-throughput data transfer
  • 5 inch form factor fits standard desktop drive bays
  • Hot-pluggable design allows drive swaps without system shutdown

Dell 400-ATKN 4 TB SATA hard drive

This 3.5-inch internal hard drive offers 4 TB of storage for desktop computers and entry-level servers. It connects through a standard SATA 6.0 Gb/s interface and spins at 7200 rpm. The drive is designed for users who need high-capacity bulk storage for documents, media libraries or backups.

Hot-pluggable 3.5-inch form factor

The drive fits standard 3.5-inch drive bays and uses the SATA data and power connectors found in most desktop chassis. Its hot-pluggable design allows insertion or removal without powering down the system when the host controller supports hot-swap. This simplifies drive upgrades and maintenance in compatible enclosures.

4 TB capacity at 7200 rpm

The 4 TB capacity combined with a 7200 rpm spindle speed determines whether this drive matches the performance and space requirements of the workload. Buyers who need faster random access or lower latency should consider solid-state alternatives. Systems limited to SATA 3 Gb/s will still operate but at reduced throughput.

How it compares

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

Price $97.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 4 TB
Higher than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $24.50 per TB
Cheaper than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Total capacity4 TB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What practical throughput does the SATA 6.0Gb/s interface cap this 4 TB drive at?

The SATA 6.0Gb/s interface limits real-world transfer rates to around 600 MB/s, so sustained reads and writes from the 7200 rpm platters will not exceed that ceiling.

What physical space and mounting does the 3.5" form factor require?

It needs a standard 3.5-inch internal drive bay and uses the usual SATA data and power connectors; hot-pluggable support means the bay must provide power and signal without a system shutdown.

How is the drive installed, and which step is often missed?

Secure the drive in the 3.5" bay, connect both SATA data and power cables, then enable hot-plug or AHCI mode in the BIOS so the operating system recognises the drive without a reboot.

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