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Silver rectangular 3.5 inch internal hard drive with circuit board visible underneath

HGST

HGST Deskstar T7K500 HDT725032VLA380Product 320GB 7200 RPM 16MB SATA 3.5" internal hard drive

SKU CH-C9RC-3WVJS MPN HDT725032VLA380Product

320 GB desktop hard drive spins at 7200 RPM with a 16 MB cache and SATA 3.0Gb/s interface

  • Total capacity320 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory16 MB
  • Key featuresHard Drive
  • 7200 RPM spindle speed delivers responsive desktop performance
  • 16 MB cache buffers data for smoother multitasking
  • 320 GB capacity stores documents, photos and media
  • SATA 3.0 Gb/s interface ensures broad motherboard compatibility
  • 160 GB per platter density enables the 320 GB capacity

320 GB Deskstar T7K500

The HGST Deskstar T7K500 is a 320 GB 3.5-inch internal hard drive built for desktop computers and low duty-cycle servers. It spins at 7200 RPM with a 16 MB buffer and connects through a SATA 3.0 Gb/s interface. The drive uses 160 GB per platter areal density technology to deliver the capacity.

Sustained throughput on SATA 3.0 Gb/s

Under continuous workloads the drive operates at the SATA 300 interface ceiling rather than short burst speeds. The 7200 RPM spindle and 16 MB cache maintain steady data transfer for consumer media storage and light server duties. Performance scales with the sustained limits of the SATA 3.0 Gb/s link.

SATA 3.0 Gb/s interface ceiling

The SATA 3.0 Gb/s standard caps maximum throughput at 300 MB/s, which bounds the drive's practical transfer rate. The 3.5-inch form factor fits standard desktop bays and supports hot-plug capability. Builders needing higher interface bandwidth or larger single-drive capacity must choose a different interface standard.

How it compares

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

Price $44.99
Cheaper than about 82% of the 4,938 comparable items (median $107.99).
Total capacity 320 GB
Lower than about 87% of the 2,372 comparable items (median 2 TB).
Price per TB $140.59 per TB
Pricier than about 71% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHitachi GST
Product lineDeskstar
Total capacity320 GB
Performance
Rotational speed7,200 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How much power does the 7200 RPM 320 GB Deskstar T7K500 draw when running continuously?

The drive is RoHS certified and built with 160 GB per platter areal density technology, which helps keep power draw moderate for all-day desktop or low duty cycle server use.

What cable and port does the SATA 3.0 Gb/s interface require on my motherboard?

It connects with a standard SATA data cable to a SATA/300 port on the motherboard and needs a SATA power connector from the power supply.

Will this 3.5 inch 320 GB drive work alongside an older IDE drive in the same system?

Yes, it uses a native SATA interface so it can run beside legacy IDE drives on a board that provides both SATA and IDE connectors.

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