This is a STEC 1GB 1Rx8 PC2-5300N CL5-5-5 Memory Module. for use in varios Cisco systems Its Stec part number is C72T8W128M8M-B03GYAMGU and the Cisco part number is 15-10847-01. 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.