I-O DATA External HDD HDCZ-UTL4K (4TB) for sale. Operation has been confirmed via USB connection on a Windows PC. Formatted in exFAT format, compatible with both Windows and Mac. Ready to use immediately after connecting. The main unit has minor scratches from normal use, but there are no noticeable large scratches or damage. There are no operational issues, and no unusual noises. [Product Contents] ・External HDD Body ・USB Cable (※All items shown in the photos are included) Please understand that this is a used item, and check the condition in the photos. Instant purchase is OK. This item can be shipped immediately.