When looking for an upgrade to a computer's hard drive, the Seagate Barracuda 7200.9 is an ideal choice. Using SATA 3Gb/s interface, the Seagate hard drive can deliver ultra-fast speed and performance. Offering a storage capacity of 160 GB, this internal hard drive allows users to store massive applications and programs. The Seagate Barracuda 7200.9 features an 8 MB cache buffer for faster access time. The Seagate hard drive has a standard size of 3.5-inches and enables OEMs and system builders. Whether used for personal or business purposes, this internal hard drive delivers whisper-quiet operation with the Seagate-exclusive SoftSonic motor. Aside from providing high-capacity storage, it also features an enhanced G-Force protection to handle extreme vibrations and potential damage. For those looking for extra security and protection on their hard drives, this Seagate Barracuda 7200.9 employs 3-D Defense System for improved reliability and data integrity.