https://www.officedepot
Office Depot has a HP Pavilion Desktop with a Ryzen 7 5700G CPU and 16GB of RAM on sale for $549.99 (regular price is $699.99; ). Here are the full specifications from HP’s website:
https://support.hp.com/hr-en/document/c07119926
I checked online and most Office Depot stores in my area now have it available for same-day in-store pick-up. The stores that had it in stock showed three units in stock per location.