This Acer Aspire Z3731 all-in-one PC is perfect for casual computing needs. It features an Intel Core 2 Duo processor, 4GB of RAM (3GB usable), and a 500GB HDD for storage. The 21.5-inch screen size provides ample viewing space. This PC also comes with a built-in camera, optical drive, Bluetooth and Wi-Fi adapters, speakers, microphone, and an SD card slot. It runs on Windows 7 and is hardly been used
eBay