Model: MHV2040AT. Storage Capacity: 40 GB (40.0GB). Interface Type: Old PATA / IDE interface (specifically Ultra-ATA/100) with a 44-pin connector. Disk Size (Form Factor): 2.5 inches (the usual size for old laptop hard drives). Rotation Speed: 4200 RPM. Manufacturing Date: May 2005 (2005-05). Country of Manufacture: Thailand (Made in Thailand).