Tested and Formatted

This Western Digital Caviar Black WD6401AALS hard drive is a high-quality internal desktop drive that offers 640 GB of storage capacity. With a 7200 RPM rotation speed, this HDD is compatible with PCs and features a SATA II interface. The 3.5 inch hard drive form factor and silver color make it a sleek addition to any desktop setup.

The drive is designed with a 32 MB cache and supports HDD only. It is part of the Caviar Black product line and comes with a California Prop 65 Warning. The unit type is a unit, and the item dimensions are 7 inches in length, 5 inches in width, and 3 inches in height. The hard drive is manufactured by Western Digital, a trusted brand in the technology industry.