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Silver 3.5 inch internal hard drive with circuit board visible underneath

HGST

HGST 7K4000Product 2TB 7200 RPM 64MB 3.5" SATA 6.0Gb/s internal hard drive

SKU CH-EWEK-9RB1N MPN 7K4000Product

A 2 TB desktop internal hard drive with 7200 RPM spindle speed, 64 MB cache and a SATA 6.0Gb/s interface for high-capacity storage

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory64 MB
  • 7200 RPM spindle speed enables fast sequential data access
  • 64 MB cache buffers bursts for smoother throughput
  • SATA 6.0 Gb/s interface matches modern desktop controllers
  • 5 inch form factor fits standard drive bays
  • Rotational Vibration Safeguard protects reliability in multi-drive arrays

2 TB 7200 RPM SATA drive

The HGST Ultrastar 7K4000 is a 2 TB 3.5-inch internal hard drive that spins at 7200 RPM with a 64 MB cache. It connects through a SATA 6.0Gb/s interface and is supplied new in retail or OEM packaging. The drive is built for desktop workstations and entry-level servers that need high-capacity, cost-effective storage.

Suited for bulk storage arrays.

This drive suits builders who want large, reliable volumes for backups, media libraries or RAID arrays where the Rotational Vibration Safeguard helps maintain consistency. Buyers who need low-latency access for operating systems, databases or heavy random workloads should look at solid-state alternatives instead.

SATA 6.0Gb/s interface

The single specification that decides fit is the SATA 6.0Gb/s interface; the motherboard or controller must provide a matching SATA port and the chassis must accept a 3.5-inch form factor. Without a compatible SATA connection the drive cannot be installed.

How it compares

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

Price $54.99
Cheaper than about 74% 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 $27.50 per TB
Cheaper than about 86% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHGST
Model nameHUS724020ALA640
Total capacity2 TB
Performance
Rotational speed7,200 RPM
Storage
Cache memory64 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What is the spindle speed limit that determines sustained throughput on this 7K4000 drive?

The spindle speed is 7200 RPM, which sets the mechanical limit for sustained data transfer on this 2 TB SATA model.

How much power does the HUS724020ALA640 draw and how hot does it get during all-day operation?

The 3.5 inch drive weighs approximately 1.52 lb and fits standard drive bays with a height of 1 inch, width of 4 inches and depth of 5.8 inches for typical thermal envelopes.

Which host interface and cable does this SATA 6.0Gb/s drive require to work?

It uses a standard SATA 6.0Gb/s (SATA/600) interface, so a compatible SATA data cable and SATA power connector from the host or power supply are needed.

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