This Western Digital WD2500AAKX hard drive is a reliable option for those in need of storage capacity. It has been tested for key functions and is ready for resale. With a storage capacity of 250GB, this SATA 3.5" hard drive is a great choice for those looking to store important data. The unit type is a single unit and it has a SATA I interface.

Please note that the hard drive may contain multiple brand/manufacturer labels. It is a great idea to consult with a computer professional if you are in need of storage and are unsure of your options.