The part number D1GF1AT refers to an HP Pro Tower 280 G9 PCI Desktop PC. It is sold as a business desktop computer with essential tools and security features, designed for scalability. 
Key specifications for the system associated with this part number include:
Form Factor: Tower PC
Processor: An Intel Core i3-12100 or i5 processor option
Memory: 8GB DDR5 or 16GB RAM options
Storage: 512GB PCIe NVMe M.2 SSD
Operating System: Typically FreeDOS or DOS (Disk Operating System) installed, requiring a separate purchase and installation of a full OS like Windows
Connectivity: Includes Wi-Fi and Bluetooth capabilities
Expansion: Features a PCI expansion slot