The 1TB Barracuda ES.2 SAS 3 Gb/s drive leverages unparalleled Seagate enterprise technology to deliver the industry's highest 7200-RPM reliability for 24x7 business-critical applications. Utilizing perpendicular recording technology, the Barracuda ES.2 provides amazing capacities with best-in-class rotational vibration tolerance, ensuring unrivalled performance in high-density applications. A 32MB buffer, 1ms average seek time and a 1.2 million MTBF rounds out this drive's enterprise capabilities.