Versatile to meet your ever-changing business needs The HP Pro SFF 400 Desktop provides users in hybrid work environments with the commercial-grade configuration options and connectivity in a space-saving design. This PC is powered by the latest Intel® processor and protected with always-on security you can trust. Connect up to 3 displays Increase productivity and tackle a range of workflows with video ports supporting up to three displays. Expansion bays and slots The HP Pro SFF 400 has an m.2 slot for WLAN and one for storage, one PCIe x16 slot, and one PCIe x1 slot. Work with peace of mind HP Wolf Security for Business creates a hardware-enforced, always-on, resilient defense. From the BIOS to the browser, above, in, and below the OS, these constantly evolving solutions help protect your PC from modern threats. * Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance. * Two standard video ports included with an optional third flex port configurable at the time of purchase. * HP Wolf Security for Business requires Windows 10 or higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features and OS requirements.