HP Pavilion Slimline 400-224 AMD A4-5000 1.5GHz CPU Processor 6GB DDR3 RAM 1TB Hard Drive Radeon HD 8330 Graphics Windows 8.1 Desktop Computer.Model Number: HP Pavilion 400-224Specifications:Brand:HPModel:Pavilion Slimline 400-224Graphics:AMD Radeon HD 8330Operating System:Windows 8.1 64bitCPU:AMD A4-5000 1.5GHzMemory:6GB DDR3-1600 DDR3 SDRAMNetworking:Ethernet 802.11b/g/nHard Drive:Seagate 1TB 7200 RPM 3.5" HDDPower Required:External 19.5V 65WOptical Drives:DVD+RWPorts and connectors:4x USB 2.0 ports2x USB 3.0 ports1x VGA1x DVI-D1x LAN1x Headphone, 1x Microphone1x Analog Line in, 1x Analog Line out1x 5-in-1 Multicard slot