The WD 121PURP-74B5SY0 Purple 12TB 3.5" internal SATA hard drive by Western Digital is designed for AI workloads. With a storage capacity of 12TB and a SATA III interface, this hard drive is ideal for high-performance computing. The purple color indicates that it is specifically designed for AI storage, making it a reliable choice for demanding tasks such as machine learning and data analysis. This HDD is compatible with PCs and offers a rotation speed of 7200 RPM for efficient data processing.