Tested. The Seagate ST3160812AS 160GB SATA hard drive is a reliable internal desktop drive designed for maximum storage capacity. With 8MB of cache, this 3.5-inch hard drive from Seagate offers fast data transfer rates and ample space for storing files, programs, and multimedia content. Perfect for both personal and professional use, this hard drive is a cost-effective solution for expanding storage capabilities on your computer or server.