Hitachi HGST HTS723225A7A364 250GB 2.5" 7200 RPM 16MB Cache SATA2 3GB/s Internal HDD Hard Disk Drive 0A79645 627989-001.Model Family: Travelstar Z7K320Model Number: HTS723225A7A364HGST Part Number: 0A79645HP Part Number: 627989-001Compatible Part Numbers: H2T2501672S7Specifications:Form Factor: 2.5"Series: Laptop HDDInterface: SATA II, Serial ATA-300 (3.0 GB/s)Cache: 16MBCapacity: 250GBRPM: 7200 RPMHeight: 7.0mm