It has four 4tb Western Digital Red 3.5 hard drives pre-installed. This gives you access to 12tb of storage! The ds416 comes equipped with 2 gigabit network ports, 3 usb 3.0 ports, and 4 internal sata drive ports. Comes from a pet and smoke free home. Item has been factory reset and will need to be setup when powered on. Please message me with any and all questions. The item "Synology DiskStation Ds416 12tb, used" is in sale since Thursday, August 12, 2021. This item is in the category "Computers/Tablets & Networking\Drives, Storage & Blank Media\Hard Drives (HDD, SSD & NAS)\Network Attached Storage". The seller is "carnivalcreepa" and is located in Wood River, Illinois. This item can be shipped to United States.