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Silver 3.5 inch HGST enterprise hard drive with SAS connector

HGST

HGST HUS726040ALS210 4TB 3.5" SAS 12Gb/s 7200 RPM 128MB internal hard drive

SKU CH-2Y54-1FNYY

4 TB enterprise hard drive with 7200 RPM, 128 MB cache and SAS 12 Gb/s interface for high-capacity storage

  • Total capacity4 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory128 MB
  • Key featuresInstant Secure Erase drive
  • 4 TB capacity stores large enterprise datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • SAS 12 Gb/s interface enables high-speed host connectivity
  • 128 MB cache buffers burst I/O workloads
  • Instant Secure Erase simplifies drive retirement security

HGST 4TB SAS Enterprise Drive

This new HGST HUS726040ALS210 is a 3.5 inch enterprise hard drive with a 12 Gb/s SAS interface. It spins at 7200 RPM and provides 128 MB of cache for sustained workloads. The 4 TB capacity suits bulk storage in servers and arrays. Instant Secure Erase simplifies end-of-life data sanitisation.

Suited for SAS Storage Arrays

The drive fits systems that accept a 3.5 inch SAS device running at 12 Gb/s. It is built for enterprise storage duty cycles and includes Instant Secure Erase for compliance needs. Buyers whose host bus adapter or backplane only supports a slower SAS link or a different physical interface should look elsewhere. Systems requiring a 2.5 inch form factor cannot use this unit.

12 Gb/s SAS Interface Determines Compatibility

The single specification that decides fitment is the 12 Gb/s SAS interface. The controller, backplane and cabling must all support this exact signalling rate and connector type. A mismatched interface will prevent the drive from being recognised or from operating at its rated 7200 RPM speed. Verify the host connection before purchase.

How it compares

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

Price $109.99
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 $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 nameHUS726040ALS210
Total capacity4 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory128 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What real-world throughput does the SAS 12Gb/s interface cap at on this drive?

The SAS 12Gb/s link supports up to 12 Gb/s burst transfer; sustained rates depend on the 7200 RPM platters and 128 MB cache.

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

It fits a standard 3.5-inch drive bay and uses the regular SAS connector spacing; no special tray or adapter is needed.

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

Connect both the SAS data and power cables, then enable the drive in the controller BIOS so the OS can see it.

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