eBay with Newegg has the refurbished HP OmniDesk Ryzen 7 / 32GB RAM / 1TB SSD / Wi-Fi 6 Desktop (M02-0127c) on sale for $680 - 20% off with coupon code LONGWKND20 [Exp 2/16] = $544 with free shipping. Includes one-year Allstate warranty. 

• AMD Ryzen 7 8700G Octa-Core, 32GB DDR5 RAM, 1 TB PCIe Gen 4.0 x4 NVMe M.2 SSD
• AMD Radeon Graphics, Wi-Fi 6, BT 5.4, Windows 11 Home