Restored HP 400 G4-SFF Desktop PC with Intel Core i5-6500 3.2GHz Processor, 8GB Memory, 240GB SSD, and Win 10 Pro (64-bit) (Monitor Not Included) (Refurbished) - Walmart.com
HP ProDesk 400 G4 Small Form Factor Business PC Product Specifications | HP® Support
HP ProDesk 400 G4 (1JJ76EA) | HPmarket.cz
Refurbished: HP ProDesk 400 G4 Mini PC, Intel Core i5-8500T Upto 3.5GHz, 16GB RAM, 512GB NVMe SSD, DisplayPort, Wi-Fi, Bluetooth, Windows 10 Pro - Newegg.com
Amazon.com: HP ProDesk 400 G4 - Intel i5-7500 3.4 GHz, 8 GB, 256 GB, Windows 10 Pro 3 Year Warranty : Electronics