Acer Aspire 21.5 Full HD All-In-One Touchscreen PC 4GB 500GB - AZ1-621G-UW11 Intel Celeron N2940 Quad-Core processor 1.83GHz (up to 2.25GHz via Turbo boost), 2MB Cache 4GB DDR3 SDRAM system memory Gives you the power to handle most power-hungry applications and tons of multimedia work 500GB SATA hard drive Store 333,000 photos, 142,000 songs or 263 hours of HD video and more 21.5" Full HD LED-backlit touchscreen monitor Intel HD Graphics 10/100Mbps Ethernet, 802.11b/g/n Wireless LAN