Questions about Thermaltake Tt GF A3 750W ATX30 PS-TPD-0750FNFAGE-H

The power supply unit has the following output connections 1 x power 24-pin ATX with detachable 4-pin section 2 x power 8-pin EPS12V with detachable 4-pin ATX12V section 4 x 8-pin PCI Express power with removable 2-pin section 8 x 15-pin SATA power connectors 4 x internal power supply, 4-pin 1 x 12VHPWR 1 x internal power supply, 4-pin