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

Maxtor

Maxtor DiamondMax 20 STM3160812A 160GB 7200 RPM 8MB IDE 3.5" internal hard drive

SKU CH-BDNS-4DGC0 MPN STM3160812A

A 160 GB, 7200 RPM desktop drive with 8 MB cache and IDE Ultra ATA100 interface

  • PackagingBare Drive
  • InterfaceIDE Ultra ATA100 / ATA-6
  • Capacity160GB
  • RPM7200 RPM
  • Cache8MB
  • Form Factor3.5"
  • 160 GB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers responsive file access
  • 8 MB cache buffers bursts for smoother throughput
  • IDE Ultra ATA100 interface fits legacy desktop motherboards
  • 5 inch form factor mounts in standard drive bays

Maxtor DiamondMax 20 160GB IDE Drive

The Maxtor DiamondMax 20 STM3160812A is a 160GB 3.5-inch internal hard drive built for desktop systems requiring an IDE Ultra ATA100 interface. It operates at 7200 RPM with an 8MB cache and arrives as a bare drive. This unit suits legacy hardware maintenance or period-correct retro builds.

Suits legacy IDE systems only

This drive fits machines that still use a 40-pin IDE connection and need a 160GB replacement. It is not for builders whose motherboards lack an IDE controller or who require a larger capacity than 160GB. The 7200 RPM speed and 8MB cache match the original DiamondMax 20 specification.

IDE Ultra ATA100 interface decides fit

The single specification that determines compatibility is the IDE Ultra ATA100 / ATA-6 interface. Verify the host system provides this exact connection before purchase. No other interface is supported by this model.

Highlights

  • 160 GB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers responsive file access
  • 8 MB cache buffers bursts for smoother throughput
  • IDE Ultra ATA100 interface fits legacy desktop motherboards
  • 5 inch form factor mounts in standard drive bays

Specifications

BrandMaxtor
SeriesDiamondMax 20
ModelSTM3160812A
PackagingBare Drive
InterfaceIDE Ultra ATA100 / ATA-6
Capacity160GB
RPM7200 RPM
Cache8MB
Form Factor3.5"
Shipping weight0.45 kg
Package size152 × 102 × 25 mm

Questions about this item

Which DiamondMax 20 capacity should I pick for a desktop rebuild?

This model is the 160 GB version; choose it when you need that exact capacity for a legacy IDE system.

What does the 7200 RPM speed deliver in daily use?

The 7200 RPM spindle provides quicker data access than slower drives, cutting boot and application load times in a typical desktop.

How does the IDE Ultra ATA100 interface limit transfer rates?

The IDE Ultra ATA100 / ATA-6 interface caps burst transfers at 100 MB/s, so sustained throughput will stay below that ceiling.

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