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Silver 3.5 inch bare hard drive with circuit board visible

HGST

HGST HUA721050KLA330 500GB 7200 RPM 32MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-BG7W-HXZZ3 MPN HUA721050KLA330

A 500 GB 3.5-inch desktop drive spinning at 7200 RPM with 32 MB cache and a SATA 3.0 Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity500GB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache32MB
  • 500 GB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers faster data access
  • 32 MB cache buffers bursts for smoother performance
  • SATA 3.0 Gb/s interface connects to most desktop motherboards
  • 5 inch form factor fits standard drive bays

Capacity and interface

The HGST Ultrastar A7K1000 HUA721050KLA330 is a 500GB 3.5 inch desktop hard drive with a SATA 3.0Gb/s interface. It spins at 7200 RPM and carries a 32MB cache for everyday storage workloads.

Build integration

The bare drive fits a standard 3.5 inch bay and connects through a SATA data cable plus a SATA power connector from the power supply. Its SATA 3.0Gb/s link works with any motherboard or controller that supports the same interface without extra adapters.

Thermals and acoustics

The 7200 RPM spindle produces typical mechanical noise and heat for a desktop drive of this class. Average latency is 4.17ms, and power draw follows normal 3.5 inch hard drive patterns under load and idle.

Points forts

  • 500 GB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers faster data access
  • 32 MB cache buffers bursts for smoother performance
  • SATA 3.0 Gb/s interface connects to most desktop motherboards
  • 5 inch form factor fits standard drive bays

Caractéristiques

BrandHitachi GST
SeriesUltrastar A7K1000
ModelHUA721050KLA330 (0A35770)
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity500GB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache32MB
Average Latency4.17ms
Form Factor3.5"
Poids d’expédition0.45 kg
Dimensions du colis203 × 152 × 51 mm

Questions sur cet article

Will the SATA 3.0Gb/s interface become the bottleneck during sustained 7200 RPM transfers?

The SATA 3.0Gb/s link caps sustained throughput below the mechanical maximum, so the interface is the first limit you hit during long sequential reads or writes.

How much noise and heat does the 7200 RPM Ultrastar A7K1000 produce when running continuously?

At 7200 RPM the drive generates noticeable whir and warm exhaust; expect audible seek noise and a case temperature rise that demands decent airflow in a 3.5" bay.

What existing SATA power and data cables are required to install this bare 3.5" drive?

You need a standard SATA data cable and a 15-pin SATA power connector from your PSU; the bare drive ships without cables, brackets or adapters.

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