Upgrade your laptop's storage capacity with this Seagate Momentus Thin internal hard drive. With a capacity of 320GB, this 2.5-inch drive is compatible with most laptops and has a fast SATA interface that supports up to 6.0 Gb/s transfer speeds. It features Seagate SmartAlign technology for easy installation and thin 7mm height for a sleek design. This hard drive has 5400 RPM rotation speed and 32MB cache for fast data access. It is an internal laptop drive that supports HDD drive type and is perfect for storing your important documents, music, videos, and other digital files. Get the performance and reliability you need with this Seagate ST320LT020 hard drive.