This is a Samsung SpinPoint M7 5400RPM Serial ATA 500GB 2.5 in. Laptop Hard Drive.  The Model Number for this hard drive is HM500JI and the HDD Part Number is HM500JI/SRS.  This item is new and has never been used.  They were originally bulk packaged for OEM distribution and we have re-packaged them for individual sale.  It is being sold as pictured and does not include any additional accessories or parts.