This is a new motherboard shipped from our warehouse. Our motherboards come to us in bulk directly from our HP supplier and can be a mixture of brand new motherboards along with some that are disassembled from new laptops in an HP certified environment. You will receive a new motherboard; in some cases the item may have been previously installed in a laptop. All of our motherboards are fully guaranteed by our replacement policy, as your satisfaction is important to us! All of our items are carefully inspected and guaranteed! Please check model numbers and part numbers for compatibility.