NOTE - the picture shows the DiskStation w/ 3 drives configured. The 4th drive (separately pictured) is now installed as well. All drives are operational and all are replacements or upgrades to the original set of drives first used. This item is in the category "Computers/Tablets & Networking\Drives, Storage & Blank Media\Hard Drives (HDD, SSD & NAS)\Network Attached Storage". The seller is "kcdealz" and is located in this country: US.This item can be shipped to United States.