. The HP Pro Mini 400 provides users with the commercial-grade performance security and the flexible deployment capabilities needed for small workspaces. This ultra small form factor PC is powered by an Intel processor and protected with always-on security you can trust. Advanced Intel processorAccomplish everything from minor tasks to complex projects with the advanced Intel processor. Flex ports for easy expansionConfigure or expand your Mini your way with flex ports for legacy or clean desk connectivity. Work with peace of mindHP 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. Expansion bays and slotsThe HP Pro SFF 400 has an m.2 slot for WLAN and one for storage one PCIe x16 slot and one PCIe x1 slot. Connect up to 3 displaysIncrease productivity and tackle a range of workflows with video ports supporting up to three displays.[3] Windows 11Work anywhere without compromising on performance or security with Windows 11 powered by HP's collaboration and connectivity technology. BIOS management over the networkHP Sure Admin a modern BIOS management tool eliminates the need for a password or BIOS configuration utility in the OS by creating a digital signature that allows IT administrators to securely manage BIOS settings over a network.  Browse confidentlyHelp protect your PC from websites and read only Microsoft Office and PDF attachments with embedded malware ransomware or viruses with hardware-enforced security from HP Sure Click. Automatic recovery from firmware attacksFirmware attacks can completely devastate your PC. Stay protected with HP’s self-healing BIOS - HP Sure Start Gen7 automatically recovers the BIOS from malware rootkits or corruption. HP Sure SenseMalware is evolving rapidly and traditional antivirus can’t always recognize new attacks. Protect your PC against never-before-seen attacks with HP Sure Sense which uses deep learning AI to provide exceptional protection against advanced malware..