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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

  • InterfaceSATA 3.0Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache32MB
  • FeaturesData Lifeguard, Shock Guard
  • UsageFor Enterprise Storage
  • 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.

Highlights

  • 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

Specifications

BrandHitachi, Ltd.
ModelC8082-121103509136
InterfaceSATA 3.0Gb/s
Capacity1TB
RPM7200 RPM
Cache32MB
FeaturesData Lifeguard, Shock Guard
UsageFor Enterprise Storage
Form Factor3.5"

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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