Synology 4 Bay NAS Rackstation RS816. Four 4TB Western digital surveillance specific hard drives are included. Synology unit and all hard drives have been fully wiped.This item is in the category "Computers/Tablets & Networking\Drives, Storage & Blank Media\Hard Drives (HDD, SSD & NAS)\Network Attached Storage". The seller is "pmsolutionsllc" and is located in this country: US. This item can be shipped to United States.