The HITACHI 640GB 5400RPM SATA HDD Hard Drive 0J15342 HTS547564A9E384 5K750-640 is a reliable internal laptop drive with a storage capacity of 640GB. With a rotation speed of 5400 RPM and SATA interface, this Hitachi hard drive offers fast and efficient data storage for laptops and PCs. The compact 2.5-inch form factor makes it suitable for various devices. Trust the Hitachi brand for quality and performance in your storage needs.