Lenovo IdeaCentre A300

The Lenovo IdeaCentre A300 features a Full HD 21.5-inch display, Pentium or Core 2 Duo processor, Intel X4500HD, up to 4GB RAM, up to 500GB HDD, optional external optical drive, WiFi, Bluetooth, gigabit Ethernet, HDMI in/out, and TV tuner.

Source: SlashGear