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HP 254451-001 20GB IDE Ultra ATA/100 5400 3.5-in 128KB Hard Drive
- Capacity: 20GB
- Interface: IDE Ultra ATA/100
- Rotational Speed: 5400 RPM
- Form Factor: 3.5-inch
- Cache: 128KB
- Designed for legacy desktop systems
- Standard IDE connectivity
- Basic storage for OS and applications
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Product Overview
The HP 254451-001 is a 3.5-inch IDE Ultra ATA/100 hard drive with a 20GB capacity, 5400 RPM rotational speed, and a 128KB cache. It supports the ATA-6 interface, offering a basic storage solution for older computer systems.
Technical Information
| Capacity | 20 GB |
| Interface | IDE Ultra ATA/100 |
| Rotational Speed | 5400 RPM |
| Form Factor | 3.5-inch |
Additional Specifications
| Cache | 128 KB |
| Drive Type | HDD |
| Manufacturer | HP |
Product Description
The HP 254451-001 is a 20GB internal hard drive that utilizes the IDE Ultra ATA/100 interface, also known as ATA-6. This drive operates at a rotational speed of 5400 RPM and features a 128KB cache buffer. The 3.5-inch form factor is standard for desktop computer internal drives, designed to be installed in a drive bay within the computer case. This hard drive represents a common storage solution from the late 1990s and early 2000s, a period when IDE was the prevalent interface for connecting storage devices to motherboards. The Ultra ATA/100 standard allowed for data transfer rates up to 100MB/s, offering a considerable performance boost over earlier IDE standards. The 20GB capacity was typical for the time, sufficient for installing an operating system and a selection of essential software applications. The inclusion of a 128KB cache helps to improve performance by temporarily storing frequently accessed data, reducing the need for the drive heads to seek data on the platters. For users maintaining or repairing older desktop computers that use IDE interfaces, the HP 254451-001 can serve as a functional replacement. It is important to confirm that the target system's motherboard supports the ATA-6 standard and has the necessary IDE connectors, as this drive is incompatible with modern SATA or NVMe interfaces.
