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Silver 3.5 inch bare hard drive with IDE connector and circuit board visible

HGST

HGST HDT722525DLAT80 250GB 7200 RPM 8MB IDE 3.5" internal hard drive

SKU CH-EH64-72Y2H MPN HDT722525DLAT80

A 250 GB 3.5" desktop drive with 7200 RPM, 8 MB cache and IDE Ultra ATA133 interface

  • PackagingBare Drive
  • InterfaceIDE Ultra ATA133 / ATA-7
  • Capacity250GB
  • RPM7200 RPM
  • Cache8MB
  • Average Seek Time8.5ms
  • 7200 RPM spindle speed delivers responsive desktop performance
  • 8 MB cache buffers bursts for smoother multitasking
  • 5 ms average seek reduces file-access latency
  • 17 ms rotational latency accelerates random I/O
  • 250 GB capacity stores OS, apps and media

Legacy IDE storage

The HGST Deskstar T7K250 is a 250GB 3.5-inch internal hard drive built for desktop systems that still use a parallel ATA interface. It delivers 7200 RPM spindle speed and an 8MB cache for responsive access to operating systems and data on older hardware. The drive is supplied as a bare unit in new condition.

ATA-7 throughput ceiling

The IDE Ultra ATA133 connection caps burst transfers at 133 MB/s, which is the hard limit of the ATA-7 standard this drive implements. Sustained throughput will be lower and depends on the host controller and cable quality. No faster IDE mode exists, so the interface itself is the bottleneck for large sequential workloads.

Host connector and power check

Verify that your motherboard or add-in card provides a 40-pin IDE header and that a Molex power lead is available for the drive. The 3.5-inch form factor requires a standard drive bay and mounting screws. Systems with only Serial ATA ports cannot use this drive without an adapter.

Highlights

  • 7200 RPM spindle speed delivers responsive desktop performance
  • 8 MB cache buffers bursts for smoother multitasking
  • 5 ms average seek reduces file-access latency
  • 17 ms rotational latency accelerates random I/O
  • 250 GB capacity stores OS, apps and media

Specifications

BrandHitachi GST
SeriesDeskstar T7K250
ModelHDT722525DLAT80 (0A30243)
PackagingBare Drive
InterfaceIDE Ultra ATA133 / ATA-7
Capacity250GB
RPM7200 RPM
Cache8MB
Average Seek Time8.5ms
Average Latency4.17ms
FeaturesHigh data transfer rate
Leading seek times
Form Factor3.5"
Shipping weight0.45 kg
Package size127 × 76 × 25 mm

Questions about this item

Is the 250GB capacity the only option in this Deskstar T7K250 series?

This listing is for the 250GB model HDT722525DLAT80; other capacities in the T7K250 family carry different model numbers and are not included here.

What does the 7200 RPM speed deliver in daily use?

The 7200 RPM spindle gives an 8.5ms average seek time and 4.17ms latency for responsive desktop performance.

How fast can the IDE Ultra ATA133 interface actually move data?

The ATA-7 interface caps at 133 MB/s burst; sustained throughput will be lower and limited by the drive's own 7200 RPM mechanics.

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