Redesigned and future readyDesigned to fit the modern workspace now and in the future, the small, reliable, and secure HP ProDesk 400 SFF is a powerful PC with performance that's scalable to grow with the business.HP ProDesk 400 G4 Small Form Factor Desktop, Windows 10 Pro 64-Bit, Intel Core i5-7400 Quad-Core Processor 3.00GHz, Intel HD Graphics 630 (Integrated), 8GB DDR4-2400 SDRAM, 256GB SSD, DVD-Writer, No Monitor Included, High Definition Audio (External Speakers not included), Integrated Realtek RTL8111G GbE, 802.11 N USB Wireless Adapter, Wired Keyboard & Mouse, Refurbished.Power through your day with Windows 10 Pro and the powerful HP ProDesk 400 SFF with built-in security, collaboration, and connectivity.HP Client Security Suite Gen3 features HP Multi-Factor Authenticate, HP Device Access Manager, HP SpareKey, and HP Password Manager. These tools work to keep data out of reach and defend against theft, attacks, and unauthorized users.Keep productivity high and downtime low with HP BIOSphere Gen3 firmwarelevel automation. Your PCs have extra protection thanks to automatic updates and security checks.The HP Manageability Integration Kit helps speed up image creation and management of hardware, BIOS, and security through Microsoft System Center Configuration Manager.Enjoy always-on, included self-help support built right into your PC, for the life of your PC.Rest easy with a PC that goes the distance and is designed to pass HP Total Test Process.Audio connections are easy with the Universal Audio Jack that supports mic in, headphones, and CTIA headsets with the same connector.