H3C UniServer R6900 G5 uses the latest 3rd generation Intel® Xeon® Scalable processor. processors (Cedar Island), 6 UPI buses and DDR4 memory with a speed of 3200 MT/s. The H3C UniServer R6900 G5 uses the latest 3rd generation Intel® Xeon® Scalable processors (Cedar Island), 6 UPI buses and 3200 MT/s DDR4 memory.