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Silver 3.5 inch SATA hard drive rectangular metal enclosure

HGST

HGST HUA721010KLA330 1TB 7200 RPM 32MB 3.5" SATA internal hard drive

SKU CH-5RP3-8ZTCB

A 1 TB 3.5-inch enterprise hard drive spinning at 7200 RPM with 32 MB cache and a SATA 3.0 Gb/s interface

  • Total capacity1 TB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory32 MB
  • Key featuresData Lifeguard, Shock Guard
  • Enterprise-grade reliability built for heavy-duty storage workloads
  • 7200 RPM rotational speed delivers responsive data access for desktop systems
  • 32 MB cache buffer smooths burst transfers during intensive operations
  • SATA 3.0 Gb/s interface provides broad compatibility with existing motherboards
  • 2 ms average seek time supports quick file retrieval in daily use

Enterprise storage drive

The HGST HUA721010KLA330 is a 1TB 3.5-inch internal hard drive built for enterprise storage workloads. It spins at 7200 RPM with a 32MB cache and connects through a SATA 3.0Gb/s interface. The drive includes Data Lifeguard and Shock Guard features for data protection.

Suited for always-on arrays

This drive suits servers and NAS units that need continuous operation and consistent throughput. The 300 MBps media transfer rate supports sustained sequential workloads. Builders who need a second card or buyers who want more storage in a smaller form factor should look at something else.

SATA 3.0Gb/s interface decides fit

The SATA 3.0Gb/s interface is the single specification that determines whether this drive fits your system. It requires a compatible SATA port and 3.5-inch bay with standard power and data cables. Average seek time is 8.2 ms for random access patterns.

How it compares

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

Price $78.99
Cheaper than about 59% of the 4,938 comparable items (median $107.99).
Total capacity 1 TB
Lower than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $78.99 per TB
Pricier than about 57% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHitachi, Ltd.
Model nameC8082-121103509136
Total capacity1 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory32 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How often should I check the 32 MB cache for errors or plan to replace it?

The 32 MB cache is part of the drive's controller board and has no separate maintenance schedule; if the drive develops read or write errors, the whole unit is replaced.

Will the 8.2 ms average seek time become a bottleneck before the 300 MBps media transfer rate during sustained workloads?

The 8.2 ms average seek time is the first limit you hit during random sustained workloads, while the 300 MBps media transfer rate applies to sequential transfers.

How much heat and noise does the 7200 RPM mechanism produce when running all day in a 3.5" bay?

The 7200 RPM spindle generates typical enterprise-level heat and audible seek noise; ensure the 3.5" bay has active airflow to keep temperatures within the drive's operating range.

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