. Designed to fit the modern workspace the small and reliable HP ProDesk 400 Small Form Factor is equipped with strong security features and performance that’s scalable to grow with your business. Powerful options Power through your day with a high-performance 10th Gen Intel Core processor and options that include Intel Optane memory H10 SSD storage and up to 64GB of DDR4 memory. Expansion that extends your investment The full value of your investment comes with expansion that extends the life of your PC. The HP ProDesk 400 SFF has two bays and two slots—including storage and WLAN M.2 slots and configurable ports to fit your peripheral needs. Built in security HP Sure Sense uses advanced protection backed with deep-learning AI to help defend against never before seen threats. An intrusion sensor along with an integrated accessory cable lock help secure your cabled mouse and keyboard from theft. .