Seagate Momentus ST9750423AS 750GB 2.5" 5400 RPM 16MB Cache SATA2 3GB/s Internal HDD Hard Disk Drive 9ZW14G-020 647518-001.Seagate Model Number: ST9750423ASSeagate Part Number: 9ZW14G-020HP Part Number: 647518-001Specifications:Form Factor: 2.5"Series: Laptop HDDInterface: SATA II, Serial ATA-300 (3.0 GB/s)Cache: 16MBCapacity: 750GBRPM: 5400 RPMHeight: 9.5mm