USB 3.0 x 4. Each system has been cleaned/imaged and tested by our certified technicians and is guaranteed to be in perfect working order.The HDD's have been DOD wiped. If you receive a damaged package from carrier Company, please do not accept the package. Order with confidence when purchasing from us! Our stellar customer service makes our customers feel valued and confident. We sincerely appreciate your business and look forward to serving you. The item "Dell Latitude E6540 15.6 i7-4610m 3.0GHz 8GB RAM 180GB SSD Windows 10 Home" is in sale since Wednesday, July 1, 2020. This item is in the category "Computers/Tablets & Networking\Laptops & Netbooks\PC Laptops & Netbooks". The seller is "goodcomputerguy381" and is located in Rochester, New York. This item can be shipped to United States.