This lot includes two 1TB Western Digital Apple desktop hard drives with SATA II interface. These hard drives have a rotation speed of 7200RPM and a cache of  32MB. They are compatible with HDD drive types and have a 3.5-inch form factor. The model number is WD1001FALS and the brand is Western Digital. Please note that this product contains a chemical that is known to the State of California to cause cancer, as indicated by the California Prop 65 Warning. This lot of hard drives is ideal for enterprise use and offers a storage capacity of  1TB each. They are in great working condition and have been fully tested.