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Quantum 20.4AT 20GB IDE Ultra ATA/100 4500 3.5-inch 128KB Hard Drive
- Brand: Quantum
- Capacity: 20GB
- Interface: IDE Ultra ATA/100
- Rotational Speed: 4500 RPM
- Form Factor: 3.5-Inch
- Cache: 128KB
- Model Number: 20.4AT
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Key specifications
See full specs ↓- Brand
- Quantum
- Model
- 20.4AT
- Capacity
- 20GB
- Interface
- IDE Ultra ATA/100
- Rotational Speed
- 4500 RPM
- Form Factor
- 3.5-Inch
Product details
A Quantum 20GB hard drive with an IDE Ultra ATA/100 interface, operating at 4500RPM. This 3.5-inch drive features a 128KB cache and is designed for general storage in older desktop systems.
Technical Information
| Brand | Quantum |
| Model | 20.4AT |
| Capacity | 20GB |
| Interface | IDE Ultra ATA/100 |
Additional Specifications
| Rotational Speed | 4500 RPM |
| Form Factor | 3.5-Inch |
| Cache | 128KB |
Description
The Quantum 20.4AT is a 20GB internal hard drive designed for desktop computer systems. It utilizes the IDE (Integrated Drive Electronics) interface, supporting the Ultra ATA/100 standard, which allows for a maximum theoretical data transfer rate of 100 megabytes per second. This interface was a common standard for storage devices in PCs from the late 1990s and early 2000s, offering improved performance over previous ATA generations. This drive operates at a rotational speed of 4500 RPM, which is on the lower end for IDE drives, suggesting a focus on lower power consumption and heat generation. While not the fastest drive available, it provides sufficient performance for basic operating systems, applications, and general data storage in older or less demanding computer systems. The 3.5-inch form factor is standard for desktop internal hard drives. The Quantum 20.4AT also features a 128KB cache buffer, which helps to improve read and write performance by temporarily storing frequently accessed data. With a 20GB capacity, it offers a modest amount of storage suitable for the needs of the era in which it was produced. This drive is a good option for maintaining or upgrading vintage PCs or for use in retro computing projects.
Condition: Refurbished
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Typically 1–2 days handling, 3–7 days in transit.
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