The EeeTop PC ET20 and ET22 is all-in-one PCs from Asus that feature touch-enabled screen. The screens measure 20-inch and 22-inch respectively, both are high definition display with a 16:9 aspect ratio. Regarding sound, the system equipped with Dual Hi-Fi speakers with SRS Premium Sound™ which offers an immersive virtual surround sound experience. Blu-ray drive also available on selected models. Other highlights: Windows Vista OS (Windows® 7 Upgradable), up to Intel® Core™2 Duo Processor T6500, up to 4GB memory, Gigabit LAN, webcam, and more.