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Seagate ST157A 45MB 3600RPM IDE/ATA 3.5-Inch Hard Drive
- Capacity: 45MB
- Rotational Speed: 3600RPM
- Interface: IDE/ATA
- Form Factor: 3.5-Inch
- Drive Type: Internal Hard Drive
- Manufacturer: Seagate
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Product Overview
The Seagate ST157A is a 45MB 3.5-inch internal hard drive. It utilizes the IDE/ATA interface and operates at a rotational speed of 3600RPM. This drive is a very early model, suitable for vintage computing systems.
Technical Information
| Capacity | 45 MB |
| Rotational Speed | 3600 RPM |
| Interface | IDE/ATA |
Additional Specifications
| Form Factor | 3.5-Inch |
| Drive Type | Hard Drive |
| Manufacturer | Seagate |
Product Description
The Seagate ST157A is an extremely low-capacity hard drive, offering just 45 megabytes of storage. This drive represents an early generation of IDE/ATA storage technology, designed for 3.5-inch drive bays. Its 3600RPM rotational speed is significantly slower than later drives, reflecting the technological limitations and performance expectations of its time. This drive is primarily of interest to collectors, hobbyists, or those working with vintage computer systems from the late 1980s or early 1990s. Its IDE/ATA interface, while basic, was a precursor to the more advanced ATA standards that followed. The low capacity makes it unsuitable for modern operating systems or applications but ideal for period-correct builds or specific retro computing projects. Given its age and capacity, the ST157A is a piece of computing history. It requires a system with an appropriate IDE controller and power supply. Its primary use case today is for historical accuracy in vintage PC restorations or for educational purposes demonstrating the evolution of storage technology.
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