Quantum QML20000LC-A 20GB 7200 RPM 40-pin 512KB Buffer IDE/ATA 3.5 Inch (Low Profile) 1.0 Inch Internal Hard Drive.
Used Quantum Fireball 20 GB Internal IDE Interface 3.5" Hard drive taken from a working system in very good condition. Model QML20000LC-A. Tested, formatted and guaranteed to work.