3.5-inch IDE HDD removed from PC-9801BA3. Model: Samsung SHD-30560A. Capacity: 560MB. Interface: IDE/ATA. Includes: HDD unit and mounting bracket. Confirmed booting to the NEC shell screen on the original PC-9801BA3 before removal. Note: No further testing or health/life-span verification has been performed after removal. Sold as-is/junk condition due to age and lack of detailed diagnostic testing.