This is a HP CPU Blower fan for use in various model HP systems and manufactured by Delta Electronics. It is a 5 volt DC fan with a 0.40A rating .It is a blower fan measuring 80mm x 20mm and has a HP part number of 599992-001 and a Delta model number of KDB0705HB. These fans are new and have never been used. They were originally bulk packaged for OEM distribution and we have repackaged them for individual sale. They are being sold as pictured and do not include any additional parts or accessories.