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Silver 3.5 inch bare hard drive with exposed circuit board

HGST

HGST HUA721010KLA330 1TB 7200 RPM 32MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-M169-HTM70 MPN HUA721010KLA330

A 1 TB desktop drive spinning at 7200 RPM with 32 MB cache and a SATA 3.0Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache32MB
  • Average Seek Time8.2ms
  • 1 TB capacity stores large data sets
  • 7200 RPM speed enables fast file access
  • 32 MB cache improves read and write throughput
  • 2 million hours MTBF supports reliable long-term operation
  • Enhanced RVS technology maintains performance under vibration

Enterprise-grade capacity

The HGST Ultrastar A7K1000 delivers 1TB of storage on a 3.5-inch desktop form factor. It spins at 7200 RPM with 32MB cache and a SATA 3.0Gb/s interface for enterprise environments with lower duty cycles.

Check your system first

Verify your motherboard or controller provides a free SATA 3.0Gb/s port and a 3.5-inch drive bay with mounting points. Ensure the power supply includes a spare SATA power connector for the bare drive.

Thermals noise and power

The 7200 RPM spindle produces typical mechanical noise and heat for enterprise-class drives. Average seek time is 8.2ms with 4.17ms latency, reflecting standard rotational vibration safeguards for continuous operation.

Puntos fuertes

  • 1 TB capacity stores large data sets
  • 7200 RPM speed enables fast file access
  • 32 MB cache improves read and write throughput
  • 2 million hours MTBF supports reliable long-term operation
  • Enhanced RVS technology maintains performance under vibration

Especificaciones

BrandHitachi GST
SeriesUltrastar A7K1000
ModelHUA721010KLA330 (0A35772)
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity1TB
RPM7200 RPM
Cache32MB
Average Seek Time8.2ms
Average Latency4.17ms
FeaturesWorld's first terabyte hard drive for the enterprise – Ideal for lower duty cycle storage in enterprise environments
Targeted 1.2 million hours MTBF
Enhanced Rotational Vibration Safeguard (RVS) for robust performance in multi-drive environments
UsageFor Daily Computing
Form Factor3.5"
Peso de envío1.36 kg
Dimensiones del paquete203 × 152 × 51 mm

Preguntas sobre este artículo

Does the bare drive include cables or mounting brackets?

The drive is supplied as a bare unit only; SATA data and power cables plus 3.5" mounting screws must be sourced separately.

Should I choose the 1TB 7200 RPM model or a different capacity from the Ultrastar A7K1000 series?

This specific HUA721010KLA330 model is the 1TB 7200 RPM 32MB cache variant; other capacities in the series carry different model numbers and specifications.

What does the 1.2 million hour MTBF mean for daily desktop use?

The 1.2 million hour MTBF rating indicates enterprise-grade reliability designed for continuous operation in lower duty cycle storage environments.

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