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Quantum ST21A011 2.1GB IDE Ultra ATA/33 5400 3.5-inch 256KB Hard Drive
- 2.1GB Storage Capacity
- IDE Ultra ATA/33 Interface
- 5400 RPM Rotational Speed
- 3.5-inch Form Factor
- 256KB Cache
- Designed for desktop PCs
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Key specifications
See full specs ↓- Capacity
- 2.1GB
- Interface
- IDE Ultra ATA/33
- Rotational Speed
- 5400 RPM
- Form Factor
- 3.5-Inch
- Cache
- 256KB
Product details
The Quantum ST21A011 is a 2.1GB IDE Ultra ATA/33 hard drive with a 5400 RPM rotational speed and a 3.5-inch form factor. It features a 256KB cache and was designed for desktop computer systems.
Technical Information
| Capacity | 2.1GB |
| Interface | IDE Ultra ATA/33 |
| Rotational Speed | 5400 RPM |
Additional Specifications
| Form Factor | 3.5-Inch |
| Cache | 256KB |
Description
The Quantum ST21A011 is a 3.5-inch internal hard drive offering a storage capacity of 2.1 Gigabytes. It utilizes the IDE Ultra ATA/33 interface, which provided a significant speed improvement over earlier ATA standards, enabling data transfer rates up to 33 megabytes per second. The drive operates at a rotational speed of 5400 RPM, a common standard for desktop hard drives of its generation, balancing performance with acoustics and power consumption. Equipped with a 256KB cache buffer, the ST21A011 helps to improve data access times by temporarily storing frequently accessed data. This drive was typically used as the primary storage device in desktop personal computers, housing the operating system, applications, and user data. Its capacity was suitable for the computing needs of the late 1990s and early 2000s. This Quantum hard drive represents a step in the evolution of affordable and reliable storage for the consumer market. Its adherence to the Ultra ATA/33 standard made it compatible with a wide range of motherboards from that era. The ST21A011 is a functional component for users looking to maintain or restore older computer systems requiring IDE-based storage solutions.
Condition: Refurbished
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Typically 1–2 days handling, 3–7 days in transit.
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