Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y You can spend more time running your business and less time concerned with IT when you have Windows 10 Pro. Build-in security, enhanced productivity features, and easy-to-implement management tools provide an essential foundation to keep your business humming. Windows 10 Pro upcycle it HP ProDesk 400 G4 (Refurbished) A, 2.1 GHz, Intel® Core™ i5, i5-8500T, 8 GB, 256 GB, Windows 10 Pro upcycle it HP ProDesk 400 G4 (Refurbished) A. Processor frequency: 2.1 GHz, Processor family: Intel® Core™ i5, Processor model: i5-8500T. Internal memory: 8 GB, Internal memory type: DDR4-SDRAM. Total storage capacity: 256 GB, Storage media: SSD. On-board graphics card model: Intel® UHD Graphics 630. Operating system installed: Windows 10 Pro, Operating system architecture: 64-bit. Chassis type: Mini PC. Product type: Mini PC. Weight: 2.76 lbs (1.25 kg). Product color: Black, Silver