The Quantum Fireball Lct15 15GB Internal 5400RPM 3.5" IDE HDD (QML15000LCA) is a high-performance internal desktop drive with a storage capacity of 15GB. With a rotation speed of 5400 RPM, this HDD provides fast data access and transfer. The drive is designed for use in desktop computers with an IDE interface, making it a reliable choice for expanding storage capacity in a system. The compact 3.5-inch form factor ensures compatibility with standard desktop configurations, while the Quantum brand reputation ensures quality and performance.