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Seagate ST253 43MB 5.25-Inch MFM Hard Disk

SKU ST253
Brand Seagate
  • Capacity: 43MB
  • Form Factor: 5.25-Inch
  • Interface: MFM (Modified Frequency Modulation)
  • Designed for early IBM PC and compatibles
  • Requires a dedicated MFM controller card
  • Higher capacity than floppy drives of the era
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Key specifications

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Capacity
43MB
Form Factor
5.25-Inch
Interface
MFM

Product details

The Seagate ST253 is a 43MB 5.25-inch MFM hard disk drive. It was a common storage solution for early IBM PC and compatible systems requiring a larger capacity than floppy disks.

Technical Information

Capacity43MB
Form Factor5.25-Inch

Additional Specifications

InterfaceMFM

Description

The Seagate ST253 is a classic example of early hard disk technology, offering 43 megabytes of storage in a 5.25-inch form factor. This drive was a significant upgrade for users of IBM PCs and compatible machines, providing substantially more storage space than the standard floppy disk drives available at the time. Its introduction allowed for the installation of more complex operating systems and applications, paving the way for more sophisticated personal computing experiences. Crucially, the ST253 utilizes the MFM (Modified Frequency Modulation) interface. This required a dedicated MFM controller card to be installed in an expansion slot of the computer. The controller managed the data transfer between the drive and the system, handling the complex encoding and decoding required by the MFM standard. This setup was common for hard drives in the early to mid-1980s. Despite its limitations by modern standards, the Seagate ST253 was a pivotal component in the evolution of personal computing hardware. It provided the necessary storage capacity and reliability for users to move beyond the constraints of floppy disks, enabling the development and use of more feature-rich software. These drives were known for their robustness and were a common sight in professional and enthusiast systems of the era.

Condition: Refurbished

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