SSI CEB
The Compact Electronics Bay Specification (CEB) as well as EEB, MEB and TEB are standard form factors for dual or multi processor motherboards defined by the Server System Infrastructure (SSI) Forum. The specification is intended for value servers and workstations based on the Intel Xeon and AMD Epyc processors (X399/C600 chipsets) The SSI CEB specification was derived from the EEB and ATX specifications.