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Silver 3.5 inch bare hard drive with exposed circuit board

Seagate

Seagate ST3402111A 40GB 7200 RPM 2MB Cache IDE 3.5" internal hard drive

SKU CH-9CHX-F2R20 MPN ST3402111A

A 40 GB 7200 RPM IDE desktop hard drive with 2 MB cache and 11 ms seek time for legacy system upgrades

  • PackagingBare Drive
  • InterfaceIDE Ultra ATA100 / ATA-6
  • Capacity40GB
  • RPM7200 RPM
  • Cache2MB
  • Average Seek Time11ms
  • 7200 RPM spindle delivers responsive desktop performance
  • 40 GB capacity stores essential files and applications
  • 2 MB cache buffers frequent read operations
  • 11 ms average seek reduces data access delay
  • IDE Ultra ATA100 interface connects to legacy motherboards

Legacy desktop upgrade

The Seagate BarraCuda 7200.9 ST3402111A is a 40 GB 3.5-inch internal hard drive built for older desktop PCs that still rely on the IDE Ultra ATA100 / ATA-6 interface. It spins at 7200 RPM with a 2 MB cache and delivers an 11 ms average seek time. The bare drive arrives new and RoHS compliant for straightforward installation in compatible bays.

Builders maintaining vintage systems

This drive suits hobbyists restoring period-correct Windows XP or early Linux machines, or anyone replacing a failed IDE disk in legacy industrial equipment. Buyers whose motherboards lack a native 40-pin IDE connector should look elsewhere, as no adapter is included and the interface cannot be converted by the drive itself.

IDE Ultra ATA100 / ATA-6 interface

The single specification that determines fit is the IDE Ultra ATA100 / ATA-6 connection; the drive will only work in systems that provide this exact 40-pin parallel interface and a standard 3.5-inch mounting bay. Confirm the host has an available IDE channel before purchase.

주요 특징

  • 7200 RPM spindle delivers responsive desktop performance
  • 40 GB capacity stores essential files and applications
  • 2 MB cache buffers frequent read operations
  • 11 ms average seek reduces data access delay
  • IDE Ultra ATA100 interface connects to legacy motherboards

사양

BrandSeagate
SeriesBarraCuda 7200.9
ModelST3402111A
PackagingBare Drive
InterfaceIDE Ultra ATA100 / ATA-6
Capacity40GB
RPM7200 RPM
Cache2MB
Average Seek Time11ms
Average Write Time12ms
Average Latency4.16ms
FeaturesSuper-fast performance
Whisper-quiet acoustics
Rugged and efficient system design
Best-in-class operating and non-operating shock resistance for excellent reliability
RoHS (restriction of hazardous substances) compliant
Form Factor3.5"
배송 무게0.58 kg
포장 크기203 × 152 × 51 mm

이 상품에 대한 질문

What does the 7200 RPM spindle speed mean for everyday use?

The drive spins at 7200 RPM with an 11 ms average seek time and 4.16 ms latency, giving responsive access for operating system and application loads.

How does the IDE Ultra ATA100 / ATA-6 interface limit performance?

The ATA-6 interface caps burst transfer at 100 MB/s, so sustained throughput will stay below that ceiling in any system.

Will this 3.5 inch drive fit a standard desktop bay?

The 3.5 inch form factor with 1.0 inch height matches a standard low-profile desktop drive bay and uses a 40-pin IDE connector.

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