Here is one that caught my eye: https://www.amazon.com/Lenovo-Thinkcentre-M82-Professional-Refurbishedd/dp/B01M1UXF11/ref=sr_1_53?ie=UTF8&qid=1514341319&sr=8-53&keywords=lenovo+tower+windowsIt's more than I was going to spend, but there is plenty of storage. It doesn't have an optical drive, though.