Versatile to meet your ever-changing business needsKeep up with the varied needs of your business. The small and capable Hp Pro Sff 400 features strong security and performance. Scalable architecture and connectivity options make the most of your investment-now and in the future.Expansion that extends your investmentThe Hp Pro Sff 400 has an m.2 slot for Wlan and one for storage, one PcIe x16 slot, and one PCIe x1 slot.Boost your productivityIncrease productivity with video ports supporting up to six displays, while featuring the performance to tackle a range of workflows with Intel Uhd Graphics 770.Protected by Hp Wolf SecurityHP 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.