20GB IDE Hitachi Travelstar 40GN 4200RPM 2MB ATA-5 9.5mm IC25N020ATCS04-0 20GB IDE Hitachi 4200RPM 512KB ATA-4 9.5mm DK23BA-20 -PARTS/REPAIRS ONLY. A GREAT PHYSICAL CONDITION HARD DISK DRIVE FOR REPAIRS OR PARTS - MALFUNCTIONING STATE. CLEAN AND STRAIGHT. ELECTRONICALLY REPAIRABLE DRIVE