ASROCK H110 Pro
8 x Sapphire RX 580
120gb SSD
Corsair 1200w power supply

My PCI risers only seem to have a sata connection.

My Corsair needs
2 x connection to motherboard
8 x gpu connection but split in half as one cable does two
8 x pci riser connection but split in half as one cable does two
1 x motherboard power