HP Compaq Pro 3005 Series AMD 780G Socket AM3/AM3+ DDR3 nVidia MCP780V Desktop Motherboard 591598-001.HP Part Number: 591598-001Model Number: OAK ROWCompatible Part Numbers: 581495-001Compatible Models: HP Pro 3005 MT- SRP US HP Pro 3005 Microtower PC HP Pro 3085 MT 250W HV Chassis HP Pro 3085 MT 300W 85 EFF Chassis HP Pro 3085 MT 300W HV ChassisPlease note: Motherboards are part number specific. You must order by the exact part number of the motherboard you are replacing; this is required in order to avoid returns, delays and restocking fees. You can NOT go by the model or serial number alone! We obtain cross reference and compatibility information from the manufacturer (as well as other various sources); while we do this to the best of our ability, we do not guarantee its accuracy. If you are unsure, please check with your laptop manufacturer. Please order, based on the part number only!Specifications:Compatible CPU Brand: AMD Socket Type: Socket AM3 CPU Socket Type: AM3/AM3+Expansion Slots: PCI Express x16 Chipset Type: AM3/AM3+ 780GMemory Type: DDR3 SDRAM Number of Memory Slots: 4 VGA: IntegratedInput/Output Ports: Ethernet (RJ-45)FireWire 400 HDMI PATA/IDE/EIDE, SATA II RAM: PRO 3005M DDR3Features: On-Board Video Chipset, On-Board Audio HD Port: SATA IDE