REFURBISHED ITEM NO RETURNS HP TouchSmart 520-1155; Windows 7 Home Premium 64 AMD Quad-Core A8-3820 ? 2.5 GHz, 4.0 GT/s HT3 AMD A75 Wall mountable. Vesa mount to be purchased separately. 8 GB DDR3 (2 x 4 GB) 2 SODIMM 2 TB SATA Slot-load SuperMulti DVD Burner AMD Radeon HD 6550D (up to 3.99 GB) 58.4 cm (23") touch-enabled diagonal full HD widescreen BrightView WLED (1920x1080) Integrated webcam with built-in microphone