Quantum ST21A011 2.1GB IDE Ultra ATA/33 5400 3.5-inch 256KB Hard Drive

Product 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.