The product is a ***Factory Sealed*** Western Digital Raptor X WD1500AHFD 10k rpm 150GB HDD 3.5" HD SATA hard drive. This internal desktop drive is compatible with both PC and Mac computers and features a clear color design. With a storage capacity of 150GB and a rotation speed of 10,000 RPM, this drive is part of the Raptor product line known for its high-performance capabilities. It is designed for use with 3.5" SATA hard drive interfaces, making it a reliable choice for expanding storage capacity in desktop systems.