HP TouchSmart 520-1031 REFURBISHED. NO RETURNS. Microsoft Windows 7 Home Premium (64-bit); Service Pack 1; 23" LCD panel display with touchscreen; AMD A4 3400 processor; 4GB DDR3-1333; Radeon HD 6410D graphics; 500GB 7200RPM SATA; Slot load SuperMulti Blu-ray Player; 802.11 Wireless b/g/n & Bluetooth 3.0 half-length PCI-E Express mini card; Lan 1000-Base-T; 6-in-1 multimedia card reader; HP Wireless Keyboard with Beats key; HP wireless mouse; Remote control for Media Center; Webcam.