A combined 17TB of Storage. All HDD have been wiped and are ready for initialization. Note: This unit is missing ONE of the HDD trays, as well as the mounting bracket on the left. This does not effect the functionality of the unit. You will also receive TWO Type D Cables for power, no other cords or items will be provided. Have additional questions before purchasing? Send us a message and we can assist you with any concerns you may have! For any questions, feel free to message us during our active hours. We encourage you to check out our store, we list new items daily!