The discontinued version of the S12II-620Bronze has one 6-pin and one (6+2)-pin PCI Express supplementary power connectors.
The newest revision of the S12II-620Bronze has two (6+2)-pin PCI Express supplementary power connectors.
The M12II-620 Bronze EVO Edition, which uses the same underlying platform as the S12II-620Bronze, comes with four (6+2)-pin PCI Express supplementary power connectors. They both have the same +12 Volt continuous current rating.