The 0F29535 is a refurbished HGST Ultrastar HE12 hard drive. It has a storage capacity of 12TB and operates at a speed of 7200 RPM. The hard drive utilizes the SAS 12Gbps interface and features a 3.5-inch form factor. It also has a 256MB cache. The Ultrastar HE12 series is designed for enterprise use, offering high capacity, reliability, and performance.