HP TouchSmart IQ500 Series 1320-00580H2 CPU Cooling Heatsink Fan Assembly. HP meets the current and future demands of high performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications as well as for standard home use.HP Part Number: 1320-00580H2Compatible Part Numbers: UDQFZZH23DASCompatible Models: HP TouchSmart IQ500 Series