The Asus Server Board WS C621E SAGE supports two Intel Xeon processors from the Bronze, Silver, Gold, and Platinum series, as well as up to 768 GB of DDR4 memory across 12 memory slots. Additional features of the Asus WS C621E SAGE include three PCIe 3.0 x16 slots, four PCIe 3.0 x8 slots, and two Gigabit network ports. For connecting storage devices, there are ten RAID-capable SATA3 interfaces, four U.2 interfaces, and one M.2 interface available.