HP Pavilion p7-1067c Core i5-2400S 2.5GHz 8GB 1.5TB DVD&plusmn;RW Radeon HD6570 Windows 7 Home Premium w/HDMI & 802.11n HP Pavilion p7-1067c Core i5-2400s 2.5 GHz Desktop PC General Features: Microsoft Windows 7 Home Premium 64-bit pre-installed w/CoA and reinstallation partition Intel Core i5-2400S 2.5 GHz quad-core CPU 8 GB DDR3 RAM 1.5 Terabyte (1.5 TB) SATA hard drive DVD RW DL LightScribe SATA drive ATI Radeon HD6570 PCIe x16 video card with 1 GB onboard memory Integrated Realtek ALC656 High Definition 6-channel audio