The Acer Aspire Z1-621g is an all-in-one desktop computer featuring an Intel Celeron processor with a speed of 1.83GHz. It comes with 4GB of RAM and a 500GB hard drive capacity, running on Windows 10 operating system. The standout feature of this model is its touchscreen capabilities, making it easy to interact with the computer without the need for a separate mouse or keyboard. With its compact design and included SSD, this Acer Aspire Z1-621g offers a sleek and efficient computing experience for everyday use.