Up Link & Down LinkUp link: Oculink 4i(PCIE4.0x4), Down Link: PCIEx16(PCIE4.0x4). Only Support Oculink. Power SupplyThis DEG1 supports ATX and SFX standard power supplies, which provides flexible power supply solutions for mini chassis. Oculink InterfacesPlease kindly note the OCulink interface does not support hot plugging, and the machine needs to be turned off first. Follow-start FunctionThe follow-start function is only compatible with MINISFORUM Mini PCs, it requires the use of original wires. Note: The GPU is not included. Note: It doesn't support Thunderbolt. Note: It doesn't include the power supply.