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Silver 3.5 inch bare SATA hard drive with exposed circuit board

HGST

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

SKU CH-9FT8-PS3BK MPN HUA721050KLA330

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

  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory32 MB
  • Key featuresData Lifeguard, Shock Guard
  • 500 GB capacity stores everyday files and backups
  • 7200 RPM spindle speed delivers responsive desktop performance
  • 32 MB cache buffers frequent read and write operations
  • SATA 3.0 Gb/s interface connects to standard motherboard ports
  • Data Lifeguard and Shock Guard technologies protect stored data

HGST Ultrastar 500 GB desktop drive

This 3.5-inch HGST Ultrastar A7K1000 drive provides 500 GB of storage on a SATA 3.0Gb/s interface. It spins at 7200 RPM with a 32 MB cache and includes Data Lifeguard and Shock Guard features. The bare drive is intended for daily computing workloads in desktop systems.

Best for basic desktop storage upgrades

Suits users replacing a failed drive or adding secondary storage for documents and media where SATA 3.0Gb/s is the native interface. Not suited for builds that require a SATA 6.0Gb/s connection or larger capacities.

SATA 3.0Gb/s interface limits throughput

The drive connects through a SATA 3.0Gb/s port, which caps maximum transfer rates below the newer 6.0Gb/s standard. Verify that the host system has a compatible SATA 3.0Gb/s port or a backward-compatible 6.0Gb/s port 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 $40.99
Cheaper than about 85% of the 4,938 comparable items (median $107.99).

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Specifications

Product
Model nameHua721050kla330
Recommended useFor Daily Computing
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

Will this 3.5" drive fit a standard desktop drive bay?

Yes, the 3.5-inch form factor matches standard desktop drive bays and uses the common SATA 3.0Gb/s interface for both data and power connections.

What is the correct way to connect the SATA 3.0Gb/s cables so the drive is detected?

Attach the SATA data cable to the motherboard port and the drive, then connect the SATA power cable from the power supply; the step often missed is fully seating both connectors until they click.

How long can the 7200RPM motor and 32MB cache be expected to last before replacement?

The Ultrastar A7K1000 design targets high reliability for daily computing, and the reseller provides a 1-year warranty period against failure.

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