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Bare 3.5-inch enterprise hard drive, silver metal casing

HGST

HGST Ultrastar DC HC310 HUS726T4TALE6L4 4TB 7200 RPM SATA 6.0Gb/s 3.5" 256MB cache 512e

SKU CH-0KZY-W7YQP

Enterprise-grade 3.5" SATA hard drive delivering 4 TB capacity at 7 200 RPM with a 256 MB cache and sustained transfers up to 255 MB/s

  • Total capacity4 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • Enterprise performance with 255MB/s sustained transfer rate
  • 256MB cache accelerates random and sequential workloads
  • 7200 RPM delivers fast data access for enterprise storage
  • 4TB capacity in 3.5-inch form factor fits standard bays
  • SATA 6.0Gb/s interface ensures broad server compatibility

Enterprise storage drive

The HGST Ultrastar DC HC310 HUS726T4TALE6L4 is a 4TB 3.5-inch hard drive built for enterprise storage arrays and servers. It connects via a SATA 6.0Gb/s interface and spins at 7200 RPM with a 256MB cache. The 512e sector format ensures broad compatibility with existing infrastructure. This bare drive suits IT managers expanding high-density capacity in rack environments.

Sustained transfer up to 255MB/s

Under continuous workloads the drive maintains a sustained transfer rate up to 255MB/s, supporting steady streaming and batch processing rather than only burst speeds. Better head positioning and rotational vibration robustness keep performance consistent when multiple drives operate in the same chassis. The 7200 RPM spindle delivers fast random and sequential access for traditional data centre applications. Low capacity options help address architecture limits in distributed computing clusters.

26.10mm height fits standard bays

The 26.10mm z-height matches standard 3.5-inch drive bays, simplifying hot-swap tray installation in servers and storage enclosures. A SATA data and power connector layout follows the familiar enterprise pin-out for quick cabling. Bare-drive packaging means no retail accessories are included, so mounting screws and rails come from the chassis vendor. The design targets lower acquisition cost while maintaining the reliability expected in block and file storage architectures.

How it compares

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

Price $198.99
Pricier than about 69% of the 4,938 comparable items (median $107.99).
Total capacity 4 TB
Higher than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $49.75 per TB
Cheaper than about 61% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHGST
Product lineUltrastar DC HC310
Model nameHUS726T4TALE6L4
Total capacity4 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm

Questions about this item

How much heat and power does the Ultrastar DC HC310 draw when running continuously in a server?

The 3.5-inch enterprise drive is designed for high power efficiency in data-center workloads, delivering a sustained transfer rate up to 255MB/s while keeping total cost of ownership low.

What host interface and controller does my system need to use this HUS726T4TALE6L4 drive?

It requires a standard SATA 6.0Gb/s port and uses 512e sector formatting, so any modern motherboard or RAID controller with a SATA connector will recognise the full 4TB capacity.

Will this 7200 RPM SATA drive work reliably alongside older 3.5-inch drives in the same array?

Yes, the Ultrastar DC HC310 features improved head positioning and rotational vibration robustness for stable operation in multi-drive chassis, and its 256MB cache helps maintain consistent throughput.

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