Supermicro FCI Blade Power Distributor (PDB-PT818-S2068) The Supermicro power distributor PDB-PT818-S2068 connects FCl blade to (1) power 20-pin ATX, (1) GPU 8-pin and 6-pin, (1) legacy 4-pin and (1) l2C. This power distributor has been fully tested and validated by Supermicro to ensure the best quality.