HP TouchSmart 610 Quad Customizable Desktop PC 2nd Generation Intel(R) Core(TM) i7-2600 quad-core processor w Turbo-Boost [up to 3.8GHz, 8MB cache] 8GB DDR3-1066MHz SODIMM [2 DIMMs],2TB 7200 rpm SATA HDD 1GB AMD Radeon HD 6450A,6-in-1 memory card reader, 4 total USB (2.0), Beats audio [with I/O for TV Tuner option] Blu-Ray writer ,Premium Wireless-N LAN card and Bluetooth(R ) TV tuner, ATSC-NTSC with PVR, remote ,HDMI Game Console, HDMI input [for discrete graphics], Windows 7 Home Premium [64-bit]